157956812 has 12 divisors (see below), whose sum is σ = 297687936. Its totient is φ = 72903120.

The previous prime is 157956803. The next prime is 157956833. The reversal of 157956812 is 218659751.

157956812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518764 + ... + 1518867.

It is an arithmetic number, because the mean of its divisors is an integer number (24807328).

Almost surely, 2^157956812 is an apocalyptic number.

It is an amenable number.

157956812 is a deficient number, since it is larger than the sum of its proper divisors (139731124).

157956812 is a wasteful number, since it uses less digits than its factorization.

157956812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037648 (or 3037646 counting only the distinct ones).

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

The square root of 157956812 is about 12568.0870461658. The cubic root of 157956812 is about 540.5627558040.

The spelling of 157956812 in words is "one hundred fifty-seven million, nine hundred fifty-six thousand, eight hundred twelve".