157856912 has 40 divisors (see below), whose sum is σ = 320604480. Its totient is φ = 75152000.

The previous prime is 157856903. The next prime is 157856939. The reversal of 157856912 is 219658751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91514 + ... + 93222.

It is an arithmetic number, because the mean of its divisors is an integer number (8015112).

Almost surely, 2^157856912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157856912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160302240).

157856912 is an abundant number, since it is smaller than the sum of its proper divisors (162747568).

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

157856912 is a wasteful number, since it uses less digits than its factorization.

157856912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1985 counting only the distinct ones).

The product of its digits is 151200, while the sum is 44.

The square root of 157856912 is about 12564.1120657212. The cubic root of 157856912 is about 540.4487718882.

The spelling of 157856912 in words is "one hundred fifty-seven million, eight hundred fifty-six thousand, nine hundred twelve".