158537 has 2 divisors, whose sum is σ = 158538. Its totient is φ = 158536.

The previous prime is 158527. The next prime is 158551. The reversal of 158537 is 735851.

158537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141376 + 17161 = 376^2 + 131^2 .

It is a cyclic number.

It is not a de Polignac number, because 158537 - 2¹⁰ = 157513 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158537.

It is not a weakly prime, because it can be changed into another prime (158507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79268 + 79269.

It is an arithmetic number, because the mean of its divisors is an integer number (79269).

2¹⁵⁸⁵³⁷ is an apocalyptic number.

It is an amenable number.

158537 is a deficient number, since it is larger than the sum of its proper divisors (1).

158537 is an equidigital number, since it uses as much as digits as its factorization.

158537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 158537 is about 398.1670503696. The cubic root of 158537 is about 54.1223790527.

The spelling of 158537 in words is "one hundred fifty-eight thousand, five hundred thirty-seven".