239157 has 6 divisors (see below), whose sum is σ = 345462. Its totient is φ = 159432.

The previous prime is 239147. The next prime is 239167. The reversal of 239157 is 751932.

It is an interprime number because it is at equal distance from previous prime (239147) and next prime (239167).

It can be written as a sum of positive squares in only one way, i.e., 239121 + 36 = 489^2 + 6^2 .

It is not a de Polignac number, because 239157 - 2¹⁴ = 222773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 239157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13278 + ... + 13295.

It is an arithmetic number, because the mean of its divisors is an integer number (57577).

2²³⁹¹⁵⁷ is an apocalyptic number.

It is an amenable number.

239157 is a deficient number, since it is larger than the sum of its proper divisors (106305).

239157 is a wasteful number, since it uses less digits than its factorization.

239157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26579 (or 26576 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 239157 is about 489.0368084306. The cubic root of 239157 is about 62.0718037336.

It can be divided in two parts, 23 and 9157, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 239157 in words is "two hundred thirty-nine thousand, one hundred fifty-seven".