157012870 has 32 divisors (see below), whose sum is σ = 326032128. Its totient is φ = 53327328.

The previous prime is 157012859. The next prime is 157012913. The reversal of 157012870 is 78210751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (10188504).

Almost surely, 2^157012870 is an apocalyptic number.

157012870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157012870 is an abundant number, since it is smaller than the sum of its proper divisors (169019258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157012870 is a wasteful number, since it uses less digits than its factorization.

157012870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 157012870 is about 12530.4776445274. The cubic root of 157012870 is about 539.4838117147.

The spelling of 157012870 in words is "one hundred fifty-seven million, twelve thousand, eight hundred seventy".