158404532 has 48 divisors (see below), whose sum is σ = 326918592. Its totient is φ = 66209280.

The previous prime is 158404531. The next prime is 158404601. The reversal of 158404532 is 235404851.

158404532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158404531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266828 + ... + 267420.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^158404532 is an apocalyptic number.

It is an amenable number.

158404532 is an abundant number, since it is smaller than the sum of its proper divisors (168514060).

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

158404532 is a wasteful number, since it uses less digits than its factorization.

158404532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 158404532 is about 12585.8862222729. The cubic root of 158404532 is about 541.0730059339.

The spelling of 158404532 in words is "one hundred fifty-eight million, four hundred four thousand, five hundred thirty-two".