157157158572 has 18 divisors (see below), whose sum is σ = 397258373148. Its totient is φ = 52385719512.

The previous prime is 157157158567. The next prime is 157157158573. The reversal of 157157158572 is 275851751751.

157157158572 is a `hidden beast` number, since 1 + 5 + 7 + 1 + 57 + 1 + 585 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (157157158573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2182738278 + ... + 2182738349.

Almost surely, 2^157157158572 is an apocalyptic number.

157157158572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157157158572 is an abundant number, since it is smaller than the sum of its proper divisors (240101214576).

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

157157158572 is a wasteful number, since it uses less digits than its factorization.

157157158572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365476637 (or 4365476632 counting only the distinct ones).

The product of its digits is 3430000, while the sum is 54.

The spelling of 157157158572 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, one hundred fifty-eight thousand, five hundred seventy-two".