157175428 has 24 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 77830080.

The previous prime is 157175419. The next prime is 157175437. The reversal of 157175428 is 824571751.

It is an interprime number because it is at equal distance from previous prime (157175419) and next prime (157175437).

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 7 ways as a sum of consecutive naturals, for example, 312225 + ... + 312727.

It is an arithmetic number, because the mean of its divisors is an integer number (11571840).

Almost surely, 2^157175428 is an apocalyptic number.

It is an amenable number.

157175428 is a deficient number, since it is larger than the sum of its proper divisors (120548732).

157175428 is a wasteful number, since it uses less digits than its factorization.

157175428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1105 counting only the distinct ones).

The product of its digits is 78400, while the sum is 40.

The square root of 157175428 is about 12536.9624710294. The cubic root of 157175428 is about 539.6699263136.

The spelling of 157175428 in words is "one hundred fifty-seven million, one hundred seventy-five thousand, four hundred twenty-eight".