158873 has 12 divisors (see below), whose sum is σ = 189924. Its totient is φ = 132000.

The previous prime is 158867. The next prime is 158881. The reversal of 158873 is 378851.

158873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 64009 = 308^2 + 253^2 .

It is not a de Polignac number, because 158873 - 2⁸ = 158617 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (158803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1523 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (15827).

2¹⁵⁸⁸⁷³ is an apocalyptic number.

158873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

158873 is a deficient number, since it is larger than the sum of its proper divisors (31051).

158873 is a wasteful number, since it uses less digits than its factorization.

158873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 125 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 158873 is about 398.5887605039. The cubic root of 158873 is about 54.1605873519.

It can be divided in two parts, 1588 and 73, that added together give a palindrome (1661).

The spelling of 158873 in words is "one hundred fifty-eight thousand, eight hundred seventy-three".