157870556 has 24 divisors (see below), whose sum is σ = 282816576. Its totient is φ = 77073920.

The previous prime is 157870543. The next prime is 157870561. The reversal of 157870556 is 655078751.

It is a super-2 number, since 2×157870556² = 49846224903498272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115316 + ... + 116676.

It is an arithmetic number, because the mean of its divisors is an integer number (11784024).

Almost surely, 2^157870556 is an apocalyptic number.

It is an amenable number.

157870556 is a deficient number, since it is larger than the sum of its proper divisors (124946020).

157870556 is a wasteful number, since it uses less digits than its factorization.

157870556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 44.

The square root of 157870556 is about 12564.6550290885. The cubic root of 157870556 is about 540.4643422561.

The spelling of 157870556 in words is "one hundred fifty-seven million, eight hundred seventy thousand, five hundred fifty-six".