157972052 has 12 divisors (see below), whose sum is σ = 315944160. Its totient is φ = 67702296.

The previous prime is 157972051. The next prime is 157972081. The reversal of 157972052 is 250279751.

157972052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

157972052 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 157971997 and 157972015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157972051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820902 + ... + 2820957.

It is an arithmetic number, because the mean of its divisors is an integer number (26328680).

Almost surely, 2^157972052 is an apocalyptic number.

It is an amenable number.

157972052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157972052 is a wasteful number, since it uses less digits than its factorization.

157972052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641870 (or 5641868 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 157972052 is about 12568.6933290617. The cubic root of 157972052 is about 540.5801401159.

The spelling of 157972052 in words is "one hundred fifty-seven million, nine hundred seventy-two thousand, fifty-two".