118157 has 8 divisors (see below), whose sum is σ = 130200. Its totient is φ = 106560.

The previous prime is 118147. The next prime is 118163. The reversal of 118157 is 751811.

It can be written as a sum of positive squares in 4 ways, for example, as 11881 + 106276 = 109^2 + 326^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 118157 - 2⁶ = 118093 is a prime.

It is a super-2 number, since 2×118157² = 27922153298, 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 (118127) 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, 719 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (16275).

2¹¹⁸¹⁵⁷ is an apocalyptic number.

It is an amenable number.

118157 is a deficient number, since it is larger than the sum of its proper divisors (12043).

118157 is a wasteful number, since it uses less digits than its factorization.

118157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 280, while the sum is 23.

The square root of 118157 is about 343.7397271192. The cubic root of 118157 is about 49.0704249035.

Adding to 118157 its reverse (751811), we get a palindrome (869968).

The spelling of 118157 in words is "one hundred eighteen thousand, one hundred fifty-seven".