158115 has 16 divisors (see below), whose sum is σ = 258048. Its totient is φ = 82656.

The previous prime is 158113. The next prime is 158129. The reversal of 158115 is 511851.

158115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158115 - 2¹ = 158113 is a prime.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 158091 and 158100.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182 + ... + 1308.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2¹⁵⁸¹¹⁵ is an apocalyptic number.

158115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158115 is a deficient number, since it is larger than the sum of its proper divisors (99933).

158115 is a wasteful number, since it uses less digits than its factorization.

158115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 200, while the sum is 21.

The square root of 158115 is about 397.6367689236. The cubic root of 158115 is about 54.0743146910.

Adding to 158115 its reverse (511851), we get a palindrome (669966).

It can be divided in two parts, 1581 and 15, that added together give a triangular number (1596 = T₅₆).

The spelling of 158115 in words is "one hundred fifty-eight thousand, one hundred fifteen".