158536372 has 6 divisors (see below), whose sum is σ = 277438658. Its totient is φ = 79268184.

The previous prime is 158536349. The next prime is 158536393. The reversal of 158536372 is 273635851.

It can be written as a sum of positive squares in only one way, i.e., 157854096 + 682276 = 12564^2 + 826^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19817043 + ... + 19817050.

Almost surely, 2^158536372 is an apocalyptic number.

It is an amenable number.

158536372 is a deficient number, since it is larger than the sum of its proper divisors (118902286).

158536372 is a wasteful number, since it uses less digits than its factorization.

158536372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39634097 (or 39634095 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 158536372 is about 12591.1227458079. The cubic root of 158536372 is about 541.2230758901.

The spelling of 158536372 in words is "one hundred fifty-eight million, five hundred thirty-six thousand, three hundred seventy-two".