157502323 has 4 divisors (see below), whose sum is σ = 171820728. Its totient is φ = 143183920.

The previous prime is 157502309. The next prime is 157502339. The reversal of 157502323 is 323205751.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 157502323 - 2⁵ = 157502291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157502291 and 157502300.

It is not an unprimeable number, because it can be changed into a prime (157502383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7159186 + ... + 7159207.

It is an arithmetic number, because the mean of its divisors is an integer number (42955182).

Almost surely, 2^157502323 is an apocalyptic number.

157502323 is a deficient number, since it is larger than the sum of its proper divisors (14318405).

157502323 is a wasteful number, since it uses less digits than its factorization.

157502323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14318404.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 157502323 is about 12549.9929482052. The cubic root of 157502323 is about 540.0438041740.

The spelling of 157502323 in words is "one hundred fifty-seven million, five hundred two thousand, three hundred twenty-three".