157869625 has 8 divisors (see below), whose sum is σ = 197021448. Its totient is φ = 126295600.

The previous prime is 157869617. The next prime is 157869629. The reversal of 157869625 is 526968751.

157869625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 40602384 + 117267241 = 6372^2 + 10829^2 .

It is not a de Polignac number, because 157869625 - 2³ = 157869617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157869629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631354 + ... + 631603.

It is an arithmetic number, because the mean of its divisors is an integer number (24627681).

Almost surely, 2^157869625 is an apocalyptic number.

It is an amenable number.

157869625 is a deficient number, since it is larger than the sum of its proper divisors (39151823).

157869625 is an equidigital number, since it uses as much as digits as its factorization.

157869625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262972 (or 1262962 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The square root of 157869625 is about 12564.6179806630. The cubic root of 157869625 is about 540.4632798387.

The spelling of 157869625 in words is "one hundred fifty-seven million, eight hundred sixty-nine thousand, six hundred twenty-five".