157373506 has 16 divisors (see below), whose sum is σ = 243613440. Its totient is φ = 76189680.

The previous prime is 157373501. The next prime is 157373509. The reversal of 157373506 is 605373751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (157373501) 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, 10575 + ... + 20653.

It is an arithmetic number, because the mean of its divisors is an integer number (15225840).

Almost surely, 2^157373506 is an apocalyptic number.

157373506 is a deficient number, since it is larger than the sum of its proper divisors (86239934).

157373506 is a wasteful number, since it uses less digits than its factorization.

157373506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329.

The product of its (nonzero) digits is 66150, while the sum is 37.

The square root of 157373506 is about 12544.8597441342. The cubic root of 157373506 is about 539.8965348182.

The spelling of 157373506 in words is "one hundred fifty-seven million, three hundred seventy-three thousand, five hundred six".