157294623 has 4 divisors (see below), whose sum is σ = 209726168. Its totient is φ = 104863080.

The previous prime is 157294603. The next prime is 157294663. The reversal of 157294623 is 326492751.

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

It is not a de Polignac number, because 157294623 - 2⁸ = 157294367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157294603) 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, 26215768 + ... + 26215773.

It is an arithmetic number, because the mean of its divisors is an integer number (52431542).

Almost surely, 2^157294623 is an apocalyptic number.

157294623 is a deficient number, since it is larger than the sum of its proper divisors (52431545).

157294623 is an equidigital number, since it uses as much as digits as its factorization.

157294623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52431544.

The product of its digits is 90720, while the sum is 39.

The square root of 157294623 is about 12541.7153133054. The cubic root of 157294623 is about 539.8063125666.

The spelling of 157294623 in words is "one hundred fifty-seven million, two hundred ninety-four thousand, six hundred twenty-three".