157001956 has 48 divisors (see below), whose sum is σ = 297198720. Its totient is φ = 72385280.

The previous prime is 157001951. The next prime is 157001981. The reversal of 157001956 is 659100751.

157001956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157001956² = 49299228375651872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157001951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403410 + ... + 403798.

It is an arithmetic number, because the mean of its divisors is an integer number (6191640).

Almost surely, 2^157001956 is an apocalyptic number.

It is an amenable number.

157001956 is a deficient number, since it is larger than the sum of its proper divisors (140196764).

157001956 is a wasteful number, since it uses less digits than its factorization.

157001956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 157001956 is about 12530.0421387959. The cubic root of 157001956 is about 539.4713115445.

The spelling of 157001956 in words is "one hundred fifty-seven million, one thousand, nine hundred fifty-six".