157330793 has 4 divisors (see below), whose sum is σ = 158121600. Its totient is φ = 156539988.

The previous prime is 157330781. The next prime is 157330813. The reversal of 157330793 is 397033751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157330793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157330753) 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, 395105 + ... + 395502.

It is an arithmetic number, because the mean of its divisors is an integer number (39530400).

Almost surely, 2^157330793 is an apocalyptic number.

It is an amenable number.

157330793 is a deficient number, since it is larger than the sum of its proper divisors (790807).

157330793 is an equidigital number, since it uses as much as digits as its factorization.

157330793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790806.

The product of its (nonzero) digits is 59535, while the sum is 38.

The square root of 157330793 is about 12543.1572181808. The cubic root of 157330793 is about 539.8476856654.

The spelling of 157330793 in words is "one hundred fifty-seven million, three hundred thirty thousand, seven hundred ninety-three".