157393459 has 12 divisors (see below), whose sum is σ = 164652664. Its totient is φ = 150371424.

The previous prime is 157393441. The next prime is 157393471. The reversal of 157393459 is 954393751.

It is not a de Polignac number, because 157393459 - 2⁷ = 157393331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157393499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94159 + ... + 95815.

Almost surely, 2^157393459 is an apocalyptic number.

157393459 is a deficient number, since it is larger than the sum of its proper divisors (7259205).

157393459 is an equidigital number, since it uses as much as digits as its factorization.

157393459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1747 counting only the distinct ones).

The product of its digits is 510300, while the sum is 46.

The square root of 157393459 is about 12545.6549848942. The cubic root of 157393459 is about 539.9193512388.

The spelling of 157393459 in words is "one hundred fifty-seven million, three hundred ninety-three thousand, four hundred fifty-nine".