157324172 has 12 divisors (see below), whose sum is σ = 276335136. Its totient is φ = 78371280.

The previous prime is 157324151. The next prime is 157324201. The reversal of 157324172 is 271423751.

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 in 3 ways as a sum of consecutive naturals, for example, 71483 + ... + 73650.

It is an arithmetic number, because the mean of its divisors is an integer number (23027928).

Almost surely, 2^157324172 is an apocalyptic number.

It is an amenable number.

157324172 is a deficient number, since it is larger than the sum of its proper divisors (119010964).

157324172 is a wasteful number, since it uses less digits than its factorization.

157324172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145408 (or 145406 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 157324172 is about 12542.8932866385. The cubic root of 157324172 is about 539.8401127006.

The spelling of 157324172 in words is "one hundred fifty-seven million, three hundred twenty-four thousand, one hundred seventy-two".