157231324 has 6 divisors (see below), whose sum is σ = 275154824. Its totient is φ = 78615660.

The previous prime is 157231313. The next prime is 157231339. The reversal of 157231324 is 423132751.

It is a junction number, because it is equal to n+sod(n) for n = 157231292 and 157231301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19653912 + ... + 19653919.

Almost surely, 2^157231324 is an apocalyptic number.

It is an amenable number.

157231324 is a deficient number, since it is larger than the sum of its proper divisors (117923500).

157231324 is a wasteful number, since it uses less digits than its factorization.

157231324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39307835 (or 39307833 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 157231324 is about 12539.1915209873. The cubic root of 157231324 is about 539.7338926630.

It can be divided in two parts, 1572 and 31324, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 157231324 in words is "one hundred fifty-seven million, two hundred thirty-one thousand, three hundred twenty-four".