157183738 has 8 divisors (see below), whose sum is σ = 236190240. Its totient is φ = 78453660.

The previous prime is 157183721. The next prime is 157183753. The reversal of 157183738 is 837381751.

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

It is a junction number, because it is equal to n+sod(n) for n = 157183694 and 157183703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67678 + ... + 69961.

It is an arithmetic number, because the mean of its divisors is an integer number (29523780).

Almost surely, 2^157183738 is an apocalyptic number.

157183738 is a deficient number, since it is larger than the sum of its proper divisors (79006502).

157183738 is a wasteful number, since it uses less digits than its factorization.

157183738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138212.

The product of its digits is 141120, while the sum is 43.

The square root of 157183738 is about 12537.2938866408. The cubic root of 157183738 is about 539.6794370837.

The spelling of 157183738 in words is "one hundred fifty-seven million, one hundred eighty-three thousand, seven hundred thirty-eight".