158432 has 12 divisors (see below), whose sum is σ = 311976. Its totient is φ = 79200.

The previous prime is 158429. The next prime is 158443. The reversal of 158432 is 234851.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 158398 and 158407.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2444 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (25998).

2¹⁵⁸⁴³² is an apocalyptic number.

It is an amenable number.

158432 is a deficient number, since it is larger than the sum of its proper divisors (153544).

158432 is an equidigital number, since it uses as much as digits as its factorization.

158432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961 (or 4953 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 158432 is about 398.0351743251. The cubic root of 158432 is about 54.1104278891.

The spelling of 158432 in words is "one hundred fifty-eight thousand, four hundred thirty-two".