158964 has 24 divisors (see below), whose sum is σ = 399840. Its totient is φ = 48864.

The previous prime is 158959. The next prime is 158981. The reversal of 158964 is 469851.

It is a congruent number.

It is an unprimeable number.

158964 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 7 ways as a sum of consecutive naturals, for example, 354 + ... + 665.

It is an arithmetic number, because the mean of its divisors is an integer number (16660).

2¹⁵⁸⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

158964 is an abundant number, since it is smaller than the sum of its proper divisors (240876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158964 is a wasteful number, since it uses less digits than its factorization.

158964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039 (or 1037 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 158964 is about 398.7028969044. The cubic root of 158964 is about 54.1709261608.

It can be divided in two parts, 1589 and 64, that added together give a triangular number (1653 = T₅₇).

The spelling of 158964 in words is "one hundred fifty-eight thousand, nine hundred sixty-four".