157345525 has 6 divisors (see below), whose sum is σ = 195108482. Its totient is φ = 125876400.

The previous prime is 157345501. The next prime is 157345549. The reversal of 157345525 is 525543751.

It is an interprime number because it is at equal distance from previous prime (157345501) and next prime (157345549).

It can be written as a sum of positive squares in 3 ways, for example, as 19000881 + 138344644 = 4359^2 + 11762^2 .

It is not a de Polignac number, because 157345525 - 2¹³ = 157337333 is a prime.

It is a super-2 number, since 2×157345525² = 49515228475051250, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 3146886 + ... + 3146935.

Almost surely, 2^157345525 is an apocalyptic number.

It is an amenable number.

157345525 is a deficient number, since it is larger than the sum of its proper divisors (37762957).

157345525 is an equidigital number, since it uses as much as digits as its factorization.

157345525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293831 (or 6293826 counting only the distinct ones).

The product of its digits is 105000, while the sum is 37.

The square root of 157345525 is about 12543.7444568996. The cubic root of 157345525 is about 539.8645350643.

The spelling of 157345525 in words is "one hundred fifty-seven million, three hundred forty-five thousand, five hundred twenty-five".