159002891 has 4 divisors (see below), whose sum is σ = 159288912. Its totient is φ = 158716872.

The previous prime is 159002873. The next prime is 159002903. The reversal of 159002891 is 198200951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159002891 - 2²² = 154808587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159022891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142175 + ... + 143288.

It is an arithmetic number, because the mean of its divisors is an integer number (39822228).

Almost surely, 2^159002891 is an apocalyptic number.

159002891 is a deficient number, since it is larger than the sum of its proper divisors (286021).

159002891 is an equidigital number, since it uses as much as digits as its factorization.

159002891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286020.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 159002891 is about 12609.6348480041. The cubic root of 159002891 is about 541.7534349153.

The spelling of 159002891 in words is "one hundred fifty-nine million, two thousand, eight hundred ninety-one".