157444975 has 12 divisors (see below), whose sum is σ = 198147784. Its totient is φ = 124074720.

The previous prime is 157444967. The next prime is 157444997. The reversal of 157444975 is 579444751.

It is not a de Polignac number, because 157444975 - 2³ = 157444967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45324 + ... + 48673.

Almost surely, 2^157444975 is an apocalyptic number.

157444975 is a deficient number, since it is larger than the sum of its proper divisors (40702809).

157444975 is an equidigital number, since it uses as much as digits as its factorization.

157444975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94074 (or 94069 counting only the distinct ones).

The product of its digits is 705600, while the sum is 46.

The square root of 157444975 is about 12547.7079580296. The cubic root of 157444975 is about 539.9782512960.

The spelling of 157444975 in words is "one hundred fifty-seven million, four hundred forty-four thousand, nine hundred seventy-five".