157373247 has 8 divisors (see below), whose sum is σ = 215502256. Its totient is φ = 102079872.

The previous prime is 157373231. The next prime is 157373261. The reversal of 157373247 is 742373751.

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

It is not a de Polignac number, because 157373247 - 2⁴ = 157373231 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 (157373347) 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, 708778 + ... + 708999.

It is an arithmetic number, because the mean of its divisors is an integer number (26937782).

Almost surely, 2^157373247 is an apocalyptic number.

157373247 is a deficient number, since it is larger than the sum of its proper divisors (58129009).

157373247 is a wasteful number, since it uses less digits than its factorization.

157373247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417817.

The product of its digits is 123480, while the sum is 39.

The square root of 157373247 is about 12544.8494211768. The cubic root of 157373247 is about 539.8962386368.

The spelling of 157373247 in words is "one hundred fifty-seven million, three hundred seventy-three thousand, two hundred forty-seven".