157941725 has 6 divisors (see below), whose sum is σ = 195847770. Its totient is φ = 126353360.

The previous prime is 157941697. The next prime is 157941733. The reversal of 157941725 is 527149751.

It can be written as a sum of positive squares in 3 ways, for example, as 53860921 + 104080804 = 7339^2 + 10202^2 .

It is not a de Polignac number, because 157941725 - 2¹⁶ = 157876189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3158810 + ... + 3158859.

It is an arithmetic number, because the mean of its divisors is an integer number (32641295).

Almost surely, 2^157941725 is an apocalyptic number.

It is an amenable number.

157941725 is a deficient number, since it is larger than the sum of its proper divisors (37906045).

157941725 is an equidigital number, since it uses as much as digits as its factorization.

157941725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317679 (or 6317674 counting only the distinct ones).

The product of its digits is 88200, while the sum is 41.

The square root of 157941725 is about 12567.4868211588. The cubic root of 157941725 is about 540.5455449182.

The spelling of 157941725 in words is "one hundred fifty-seven million, nine hundred forty-one thousand, seven hundred twenty-five".