158118 has 24 divisors (see below), whose sum is σ = 338328. Its totient is φ = 49248.

The previous prime is 158113. The next prime is 158129. The reversal of 158118 is 811851.

158118 is nontrivially palindromic in base 4.

158118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

158118 is an undulating number in base 8.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158113) by changing a digit.

158118 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 11 ways as a sum of consecutive naturals, for example, 2130 + ... + 2202.

It is an arithmetic number, because the mean of its divisors is an integer number (14097).

2¹⁵⁸¹¹⁸ is an apocalyptic number.

158118 is an abundant number, since it is smaller than the sum of its proper divisors (180210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158118 is a wasteful number, since it uses less digits than its factorization.

158118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 97 counting only the distinct ones).

The product of its digits is 320, while the sum is 24.

The square root of 158118 is about 397.6405411927. The cubic root of 158118 is about 54.0746566824.

Adding to 158118 its reverse (811851), we get a palindrome (969969).

It can be divided in two parts, 158 and 118, that added together give a triangular number (276 = T₂₃).

The spelling of 158118 in words is "one hundred fifty-eight thousand, one hundred eighteen".