158939292 has 24 divisors (see below), whose sum is σ = 386983296. Its totient is φ = 50676208.

The previous prime is 158939281. The next prime is 158939293. The reversal of 158939292 is 292939851.

158939292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158939292² = 50523397082922528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158939293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287658 + ... + 288209.

It is an arithmetic number, because the mean of its divisors is an integer number (16124304).

Almost surely, 2^158939292 is an apocalyptic number.

158939292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158939292 is an abundant number, since it is smaller than the sum of its proper divisors (228044004).

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

158939292 is a wasteful number, since it uses less digits than its factorization.

158939292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575897 (or 575895 counting only the distinct ones).

The product of its digits is 349920, while the sum is 48.

The square root of 158939292 is about 12607.1127543145. The cubic root of 158939292 is about 541.6811939404.

The spelling of 158939292 in words is "one hundred fifty-eight million, nine hundred thirty-nine thousand, two hundred ninety-two".