158237 has 4 divisors (see below), whose sum is σ = 160320. Its totient is φ = 156156.

The previous prime is 158233. The next prime is 158243. The reversal of 158237 is 732851.

158237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732851 = 7 ⋅104693.

It is a cyclic number.

It is not a de Polignac number, because 158237 - 2² = 158233 is a prime.

It is a Duffinian number.

158237 is a modest number, since divided by 237 gives 158 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 1080.

It is an arithmetic number, because the mean of its divisors is an integer number (40080).

2¹⁵⁸²³⁷ is an apocalyptic number.

It is an amenable number.

158237 is a deficient number, since it is larger than the sum of its proper divisors (2083).

158237 is an equidigital number, since it uses as much as digits as its factorization.

158237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082.

The product of its digits is 1680, while the sum is 26.

The square root of 158237 is about 397.7901456799. The cubic root of 158237 is about 54.0882188543.

The spelling of 158237 in words is "one hundred fifty-eight thousand, two hundred thirty-seven".