157915556 has 24 divisors (see below), whose sum is σ = 293616120. Its totient is φ = 74172672.

The previous prime is 157915529. The next prime is 157915561. The reversal of 157915556 is 655519751.

It can be written as a sum of positive squares in 4 ways, for example, as 20557156 + 137358400 = 4534^2 + 11720^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14105 + ... + 22688.

It is an arithmetic number, because the mean of its divisors is an integer number (12234005).

Almost surely, 2^157915556 is an apocalyptic number.

It is an amenable number.

157915556 is a deficient number, since it is larger than the sum of its proper divisors (135700564).

157915556 is a wasteful number, since it uses less digits than its factorization.

157915556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36863 (or 36861 counting only the distinct ones).

The product of its digits is 236250, while the sum is 44.

The square root of 157915556 is about 12566.4456390819. The cubic root of 157915556 is about 540.5156893545.

The spelling of 157915556 in words is "one hundred fifty-seven million, nine hundred fifteen thousand, five hundred fifty-six".