157445325 has 18 divisors (see below), whose sum is σ = 282002474. Its totient is φ = 83970720.

The previous prime is 157445303. The next prime is 157445339. The reversal of 157445325 is 523544751.

157445325 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 3 ways, for example, as 2965284 + 154480041 = 1722^2 + 12429^2 .

It is not a de Polignac number, because 157445325 - 2⁵ = 157445293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 157445325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 349654 + ... + 350103.

Almost surely, 2^157445325 is an apocalyptic number.

157445325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157445325 is a deficient number, since it is larger than the sum of its proper divisors (124557149).

157445325 is a wasteful number, since it uses less digits than its factorization.

157445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699773 (or 699765 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 157445325 is about 12547.7219047921. The cubic root of 157445325 is about 539.9786514194.

The spelling of 157445325 in words is "one hundred fifty-seven million, four hundred forty-five thousand, three hundred twenty-five".