158534 has 8 divisors (see below), whose sum is σ = 245568. Its totient is φ = 76680.

The previous prime is 158527. The next prime is 158537. The reversal of 158534 is 435851.

158534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158537) by changing a digit.

158534 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 3 ways as a sum of consecutive naturals, for example, 1217 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (30696).

2¹⁵⁸⁵³⁴ is an apocalyptic number.

158534 is a deficient number, since it is larger than the sum of its proper divisors (87034).

158534 is a wasteful number, since it uses less digits than its factorization.

158534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590.

The product of its digits is 2400, while the sum is 26.

The square root of 158534 is about 398.1632830887. The cubic root of 158534 is about 54.1220376641.

The spelling of 158534 in words is "one hundred fifty-eight thousand, five hundred thirty-four".