158857125 has 64 divisors (see below), whose sum is σ = 306608640. Its totient is φ = 71539200.

The previous prime is 158857121. The next prime is 158857177. The reversal of 158857125 is 521758851.

It is not a de Polignac number, because 158857125 - 2² = 158857121 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158857121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 191211 + ... + 192039.

It is an arithmetic number, because the mean of its divisors is an integer number (4790760).

Almost surely, 2^158857125 is an apocalyptic number.

158857125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158857125 is a deficient number, since it is larger than the sum of its proper divisors (147751515).

158857125 is an equidigital number, since it uses as much as digits as its factorization.

158857125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 917 counting only the distinct ones).

The product of its digits is 112000, while the sum is 42.

The square root of 158857125 is about 12603.8535773786. The cubic root of 158857125 is about 541.5878333662.

The spelling of 158857125 in words is "one hundred fifty-eight million, eight hundred fifty-seven thousand, one hundred twenty-five".