157357238 has 8 divisors (see below), whose sum is σ = 236584800. Its totient is φ = 78495640.

The previous prime is 157357231. The next prime is 157357327. The reversal of 157357238 is 832753751.

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

It is a super-2 number, since 2×157357238² = 49522600701977288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157357195 and 157357204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157357231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90413 + ... + 92136.

It is an arithmetic number, because the mean of its divisors is an integer number (29573100).

Almost surely, 2^157357238 is an apocalyptic number.

157357238 is a deficient number, since it is larger than the sum of its proper divisors (79227562).

157357238 is a wasteful number, since it uses less digits than its factorization.

157357238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182982.

The product of its digits is 176400, while the sum is 41.

The square root of 157357238 is about 12544.2113343167. The cubic root of 157357238 is about 539.8779307983.

The spelling of 157357238 in words is "one hundred fifty-seven million, three hundred fifty-seven thousand, two hundred thirty-eight".