159 (one hundred [and] fifty-nine) is the natural number following 158 and preceding 160.
In mathematics 159 is: the sum of 3 consecutive prime numbers: 47 + 53 + 59. a Woodall number. equal to the sum of the squares of the digits of its own square in base 15. Only 5 numbers (greater than 1) have this property in base 15, none in base 10. 159 is the largest number that cannot be expressed as the sum of distinct pentagonal numbers. written CLIX in Roman numerals, which spells a proper noun with multiple meanings.
Given 159, the Mertens function returns 0.
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Number Facts and Trivia: 159 The Number 159 VirtueScience: 159 159th Medical Detachment Farewell to Routemaster Bus 159