158742372 has 12 divisors (see below), whose sum is σ = 370398896. Its totient is φ = 52914120.

The previous prime is 158742371. The next prime is 158742383. The reversal of 158742372 is 273247851.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 158742372.

It is not an unprimeable number, because it can be changed into a prime (158742371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6614254 + ... + 6614277.

Almost surely, 2^158742372 is an apocalyptic number.

158742372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158742372 is an abundant number, since it is smaller than the sum of its proper divisors (211656524).

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

158742372 is a wasteful number, since it uses less digits than its factorization.

158742372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13228538 (or 13228536 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 158742372 is about 12599.3004567714. The cubic root of 158742372 is about 541.4573937245.

The spelling of 158742372 in words is "one hundred fifty-eight million, seven hundred forty-two thousand, three hundred seventy-two".