157612225 has 12 divisors (see below), whose sum is σ = 195595120. Its totient is φ = 125989200.

The previous prime is 157612199. The next prime is 157612249. The reversal of 157612225 is 522216751.

It is not a de Polignac number, because 157612225 - 2⁷ = 157612097 is a prime.

It is a super-2 number, since 2×157612225² = 49683226938901250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57946 + ... + 60604.

Almost surely, 2^157612225 is an apocalyptic number.

It is an amenable number.

157612225 is a deficient number, since it is larger than the sum of its proper divisors (37982895).

157612225 is a wasteful number, since it uses less digits than its factorization.

157612225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5035 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 157612225 is about 12554.3707528494. The cubic root of 157612225 is about 540.1693855909.

Adding to 157612225 its reverse (522216751), we get a palindrome (679828976).

The spelling of 157612225 in words is "one hundred fifty-seven million, six hundred twelve thousand, two hundred twenty-five".