157502272 has 14 divisors (see below), whose sum is σ = 312543698. Its totient is φ = 78751104.

The previous prime is 157502251. The next prime is 157502281. The reversal of 157502272 is 272205751.

It can be written as a sum of positive squares in only one way, i.e., 132342016 + 25160256 = 11504^2 + 5016^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230423 + ... + 1230550.

Almost surely, 2^157502272 is an apocalyptic number.

It is an amenable number.

157502272 is a deficient number, since it is larger than the sum of its proper divisors (155041426).

157502272 is an equidigital number, since it uses as much as digits as its factorization.

157502272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460985 (or 2460975 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 157502272 is about 12549.9909163314. The cubic root of 157502272 is about 540.0437458845.

The spelling of 157502272 in words is "one hundred fifty-seven million, five hundred two thousand, two hundred seventy-two".