157812672 has 28 divisors (see below), whose sum is σ = 417546536. Its totient is φ = 52604160.

The previous prime is 157812647. The next prime is 157812703. The reversal of 157812672 is 276218751.

It is a self number, because there is not a number n which added to its sum of digits gives 157812672.

It is a congruent number.

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, 410779 + ... + 411162.

Almost surely, 2^157812672 is an apocalyptic number.

157812672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157812672 is an abundant number, since it is smaller than the sum of its proper divisors (259733864).

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

157812672 is an equidigital number, since it uses as much as digits as its factorization.

157812672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821956 (or 821946 counting only the distinct ones).

The product of its digits is 47040, while the sum is 39.

The square root of 157812672 is about 12562.3513722551. The cubic root of 157812672 is about 540.3982795630.

The spelling of 157812672 in words is "one hundred fifty-seven million, eight hundred twelve thousand, six hundred seventy-two".