157404125 has 16 divisors (see below), whose sum is σ = 201238128. Its totient is φ = 122848000.

The previous prime is 157404109. The next prime is 157404161. The reversal of 157404125 is 521404751.

It can be written as a sum of positive squares in 8 ways, for example, as 58461316 + 98942809 = 7646^2 + 9947^2 .

It is not a de Polignac number, because 157404125 - 2⁴ = 157404109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10232 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (12577383).

Almost surely, 2^157404125 is an apocalyptic number.

It is an amenable number.

157404125 is a deficient number, since it is larger than the sum of its proper divisors (43834003).

157404125 is an equidigital number, since it uses as much as digits as its factorization.

157404125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30769 (or 30759 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 157404125 is about 12546.0800651040. The cubic root of 157404125 is about 539.9315471071.

Adding to 157404125 its reverse (521404751), we get a palindrome (678808876).

The spelling of 157404125 in words is "one hundred fifty-seven million, four hundred four thousand, one hundred twenty-five".