157058239 has 8 divisors (see below), whose sum is σ = 172331712. Its totient is φ = 142240800.

The previous prime is 157058219. The next prime is 157058263. The reversal of 157058239 is 932850751.

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

It is not a de Polignac number, because 157058239 - 2⁵ = 157058207 is a prime.

It is a super-2 number, since 2×157058239² = 49334580875562242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157058219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113287 + ... + 114664.

It is an arithmetic number, because the mean of its divisors is an integer number (21541464).

Almost surely, 2^157058239 is an apocalyptic number.

157058239 is a deficient number, since it is larger than the sum of its proper divisors (15273473).

157058239 is a wasteful number, since it uses less digits than its factorization.

157058239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228017.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 157058239 is about 12532.2878597645. The cubic root of 157058239 is about 539.5357681434.

The spelling of 157058239 in words is "one hundred fifty-seven million, fifty-eight thousand, two hundred thirty-nine".