157493594 has 8 divisors (see below), whose sum is σ = 236365248. Its totient is φ = 78705180.

The previous prime is 157493551. The next prime is 157493629. The reversal of 157493594 is 495394751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 15842 + ... + 23789.

It is an arithmetic number, because the mean of its divisors is an integer number (29545656).

Almost surely, 2^157493594 is an apocalyptic number.

157493594 is a deficient number, since it is larger than the sum of its proper divisors (78871654).

157493594 is a wasteful number, since it uses less digits than its factorization.

157493594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41620.

The product of its digits is 680400, while the sum is 47.

The square root of 157493594 is about 12549.6451742669. The cubic root of 157493594 is about 540.0338273276.

The spelling of 157493594 in words is "one hundred fifty-seven million, four hundred ninety-three thousand, five hundred ninety-four".