157125617 has 8 divisors (see below), whose sum is σ = 172546752. Its totient is φ = 141894000.

The previous prime is 157125613. The next prime is 157125623. The reversal of 157125617 is 716521751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157125617 - 2² = 157125613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157125613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45638 + ... + 48959.

It is an arithmetic number, because the mean of its divisors is an integer number (21568344).

Almost surely, 2^157125617 is an apocalyptic number.

It is an amenable number.

157125617 is a deficient number, since it is larger than the sum of its proper divisors (15421135).

157125617 is a wasteful number, since it uses less digits than its factorization.

157125617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94759.

The product of its digits is 14700, while the sum is 35.

The square root of 157125617 is about 12534.9757478824. The cubic root of 157125617 is about 539.6129107456.

The spelling of 157125617 in words is "one hundred fifty-seven million, one hundred twenty-five thousand, six hundred seventeen".