157252312 has 32 divisors (see below), whose sum is σ = 356793120. Its totient is φ = 63429120.

The previous prime is 157252309. The next prime is 157252313. The reversal of 157252312 is 213252751.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157252313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81639 + ... + 83542.

It is an arithmetic number, because the mean of its divisors is an integer number (11149785).

Almost surely, 2^157252312 is an apocalyptic number.

It is an amenable number.

157252312 is an abundant number, since it is smaller than the sum of its proper divisors (199540808).

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

157252312 is a wasteful number, since it uses less digits than its factorization.

157252312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165211 (or 165207 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 157252312 is about 12540.0283891226. The cubic root of 157252312 is about 539.7579070274.

The spelling of 157252312 in words is "one hundred fifty-seven million, two hundred fifty-two thousand, three hundred twelve".