158857328 has 60 divisors (see below), whose sum is σ = 371337840. Its totient is φ = 64482048.

The previous prime is 158857327. The next prime is 158857337. The reversal of 158857328 is 823758851.

It is a super-3 number, since 3×158857328³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158857327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38468 + ... + 42396.

It is an arithmetic number, because the mean of its divisors is an integer number (6188964).

Almost surely, 2^158857328 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 158857328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185668920).

158857328 is an abundant number, since it is smaller than the sum of its proper divisors (212480512).

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

158857328 is a wasteful number, since it uses less digits than its factorization.

158857328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982 (or 3957 counting only the distinct ones).

The product of its digits is 537600, while the sum is 47.

The square root of 158857328 is about 12603.8616304687. The cubic root of 158857328 is about 541.5880640605.

The spelling of 158857328 in words is "one hundred fifty-eight million, eight hundred fifty-seven thousand, three hundred twenty-eight".