157324507 has 4 divisors (see below), whose sum is σ = 162749520. Its totient is φ = 151899496.

The previous prime is 157324483. The next prime is 157324513. The reversal of 157324507 is 705423751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705423751 = 823 ⋅857137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157324507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157324567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2712463 + ... + 2712520.

It is an arithmetic number, because the mean of its divisors is an integer number (40687380).

Almost surely, 2^157324507 is an apocalyptic number.

157324507 is a deficient number, since it is larger than the sum of its proper divisors (5425013).

157324507 is an equidigital number, since it uses as much as digits as its factorization.

157324507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425012.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 157324507 is about 12542.9066408070. The cubic root of 157324507 is about 539.8404958719.

The spelling of 157324507 in words is "one hundred fifty-seven million, three hundred twenty-four thousand, five hundred seven".