157258 has 8 divisors (see below), whose sum is σ = 239940. Its totient is φ = 77280.

The previous prime is 157253. The next prime is 157259. The reversal of 157258 is 852751.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 2809 = 393^2 + 53^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157253) by changing a digit.

157258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523 + ... + 766.

2¹⁵⁷²⁵⁸ is an apocalyptic number.

157258 is a deficient number, since it is larger than the sum of its proper divisors (82682).

157258 is a wasteful number, since it uses less digits than its factorization.

157258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352.

The product of its digits is 2800, while the sum is 28.

The square root of 157258 is about 396.5576881111. The cubic root of 157258 is about 53.9764414841.

The spelling of 157258 in words is "one hundred fifty-seven thousand, two hundred fifty-eight".