157246172 has 6 divisors (see below), whose sum is σ = 275180808. Its totient is φ = 78623084.

The previous prime is 157246163. The next prime is 157246181. The reversal of 157246172 is 271642751.

It is an interprime number because it is at equal distance from previous prime (157246163) and next prime (157246181).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19655768 + ... + 19655775.

It is an arithmetic number, because the mean of its divisors is an integer number (45863468).

Almost surely, 2^157246172 is an apocalyptic number.

It is an amenable number.

157246172 is a deficient number, since it is larger than the sum of its proper divisors (117934636).

157246172 is a wasteful number, since it uses less digits than its factorization.

157246172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39311547 (or 39311545 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 157246172 is about 12539.7835707001. The cubic root of 157246172 is about 539.7508818913.

The spelling of 157246172 in words is "one hundred fifty-seven million, two hundred forty-six thousand, one hundred seventy-two".