158115672 has 128 divisors (see below), whose sum is σ = 516096000. Its totient is φ = 44219520.

The previous prime is 158115667. The next prime is 158115677. The reversal of 158115672 is 276511851.

158115672 is a `hidden beast` number, since 1 + 581 + 1 + 5 + 6 + 72 = 666.

158115672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158115667) and next prime (158115677).

It is a super-3 number, since 3×158115672³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158115677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28329 + ... + 33447.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^158115672 is an apocalyptic number.

158115672 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 158115672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258048000).

158115672 is an abundant number, since it is smaller than the sum of its proper divisors (357980328).

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

158115672 is a wasteful number, since it uses less digits than its factorization.

158115672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158 (or 5148 counting only the distinct ones).

The product of its digits is 16800, while the sum is 36.

The square root of 158115672 is about 12574.4054332601. The cubic root of 158115672 is about 540.7439129741.

The spelling of 158115672 in words is "one hundred fifty-eight million, one hundred fifteen thousand, six hundred seventy-two".