158261732 has 12 divisors (see below), whose sum is σ = 277638060. Its totient is φ = 78936576.

The previous prime is 158261717. The next prime is 158261767. The reversal of 158261732 is 237162851.

It is a happy number.

158261732 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154157056 + 4104676 = 12416^2 + 2026^2 .

158261732 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 158261692 and 158261701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46733 + ... + 50004.

It is an arithmetic number, because the mean of its divisors is an integer number (23136505).

Almost surely, 2^158261732 is an apocalyptic number.

It is an amenable number.

158261732 is a deficient number, since it is larger than the sum of its proper divisors (119376328).

158261732 is a wasteful number, since it uses less digits than its factorization.

158261732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97150 (or 97148 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 158261732 is about 12580.2119219034. The cubic root of 158261732 is about 540.9103665325.

The spelling of 158261732 in words is "one hundred fifty-eight million, two hundred sixty-one thousand, seven hundred thirty-two".