158312128 has 56 divisors (see below), whose sum is σ = 353068128. Its totient is φ = 69881856.

The previous prime is 158312101. The next prime is 158312173. The reversal of 158312128 is 821213851.

158312128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 158312128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15000 + ... + 23272.

It is an arithmetic number, because the mean of its divisors is an integer number (6304788).

Almost surely, 2^158312128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158312128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176534064).

158312128 is an abundant number, since it is smaller than the sum of its proper divisors (194756000).

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

158312128 is a wasteful number, since it uses less digits than its factorization.

158312128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321 (or 8311 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 158312128 is about 12582.2147493992. The cubic root of 158312128 is about 540.9677752851.

Adding to 158312128 its reverse (821213851), we get a palindrome (979525979).

The spelling of 158312128 in words is "one hundred fifty-eight million, three hundred twelve thousand, one hundred twenty-eight".