158407872 has 112 divisors (see below), whose sum is σ = 490313472. Its totient is φ = 44190720.

The previous prime is 158407867. The next prime is 158407961. The reversal of 158407872 is 278704851.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56422 + ... + 59162.

Almost surely, 2^158407872 is an apocalyptic number.

158407872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158407872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245156736).

158407872 is an abundant number, since it is smaller than the sum of its proper divisors (331905600).

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

158407872 is a wasteful number, since it uses less digits than its factorization.

158407872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2796 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 158407872 is about 12586.0189098857. The cubic root of 158407872 is about 541.0768087947.

The spelling of 158407872 in words is "one hundred fifty-eight million, four hundred seven thousand, eight hundred seventy-two".