157072415 has 8 divisors (see below), whose sum is σ = 188571888. Its totient is φ = 125601280.

The previous prime is 157072397. The next prime is 157072417. The reversal of 157072415 is 514270751.

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

It is not a de Polignac number, because 157072415 - 2⁸ = 157072159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157072417) 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, 8060 + ... + 19470.

It is an arithmetic number, because the mean of its divisors is an integer number (23571486).

Almost surely, 2^157072415 is an apocalyptic number.

157072415 is a deficient number, since it is larger than the sum of its proper divisors (31499473).

157072415 is a wasteful number, since it uses less digits than its factorization.

157072415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 157072415 is about 12532.8534260958. The cubic root of 157072415 is about 539.5520004001.

The spelling of 157072415 in words is "one hundred fifty-seven million, seventy-two thousand, four hundred fifteen".