157133868 has 24 divisors (see below), whose sum is σ = 375173568. Its totient is φ = 51159696.

The previous prime is 157133777. The next prime is 157133869. The reversal of 157133868 is 868331751.

157133868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×157133868³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (157133869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151746 + ... + 152777.

It is an arithmetic number, because the mean of its divisors is an integer number (15632232).

Almost surely, 2^157133868 is an apocalyptic number.

It is an amenable number.

157133868 is an abundant number, since it is smaller than the sum of its proper divisors (218039700).

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

157133868 is a wasteful number, since it uses less digits than its factorization.

157133868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304573 (or 304571 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 157133868 is about 12535.3048626669. The cubic root of 157133868 is about 539.6223559871.

The spelling of 157133868 in words is "one hundred fifty-seven million, one hundred thirty-three thousand, eight hundred sixty-eight".