154 (one hundred and fifty-four) is the natural number following 153 and preceding 155.
In mathematics[edit]
154 is a nonagonal number. Its factorization makes 154 a sphenic number
There is no integer with exactly 154 coprimes below it, making 154 a noncototient, nor is there, in base 10, any integer that added up to its own digits yields 154, making 154 a self number
154 is the sum of the first six factorials, if one starts with
and assumes that
.
With just 17 cuts, a pancake can be cut up into 154 pieces (Lazy caterer's sequence).
The distinct prime factors of 154 add up to 20, and so do the ones of 153, hence the two form a Ruth-Aaron pair. 154! + 1 is a factorial prime.
In music[edit]
- 154 is an album by Wire, named for the number of live gigs Wire had performed at that time[1]
In the military[edit]
In sports[edit]
In transportation[edit]
- California State Route 154 runs from Los Olivos to Santa Barbara, California
- Connecticut Route 154 runs from Old Saybrook, to Middletown
- Georgia State Route 154 runs from S.R. 54 in Sharpsburg to S.R. 10
- Illinois Route 154 runs from Red Bud to Whittington in Sullivan County, Indiana
- Indiana State Road 154 runs from Hutsonville, Illinois to Sullivan, Indiana
- M-154 is a state trunkline highway on Harsens Island at the mouth of the St. Clair River in Michigan
- Missouri Route 154 runs from Vandalia to Paris, Missouri
- New Jersey Route 154 runs from County Route 561 to Routes 41 and Route 70
- New York State Route 154 was a state highway in Rensselaer County, New York until 1980
- Ohio State Route 154 in Columbiana County in northeast Ohio runs from Lisbon, Ohio to Negley, Ohio
- Oregon Route 154 is a state highway that runs from Dayton to Hopewell
- Pennsylvania Route 154 is a state highway that runs from Canton to Laporte
- Texas State Highway 154 is a state highway that runs from Cooper to Marshall
- Utah State Route 154 runs from Draper to Salt Lake City International Airport
- Virginia Route 154 is a state highway in Covington, Virginia
- Wisconsin Highway 154 runs from Lloyd to Rock Springs
- Route nationale 154 is a national trunk road in France connecting Rouen and Orléans (Artenay)
- Malaysia Federal Route 154 on Langkawi Island, Kedah, Malaysia
- Route 154 near Alberton in Prince Edward Island, Canada
- National Route 154 is a national highway of Japan connecting Higashi-ku, Nagoya and Atsuta-ku, Nagoya
- Seattle Bus Route 154
- The Maserati Tipo 154 racecar, also known as 151/4, was produced in 1965
- Gol Transportes Aéreos Flight 1907 crashed on September 29, 2006 over the Brazilian state of Mato Grosso killing 154 onboard
In TV and radio[edit]
In other fields[edit]
154 is also:
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