157373440 has 88 divisors (see below), whose sum is σ = 431540352. Its totient is φ = 53944320.

The previous prime is 157373423. The next prime is 157373441. The reversal of 157373440 is 44373751.

It is a junction number, because it is equal to n+sod(n) for n = 157373396 and 157373405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157373441) 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, 33645 + ... + 38035.

Almost surely, 2^157373440 is an apocalyptic number.

157373440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157373440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215770176).

157373440 is an abundant number, since it is smaller than the sum of its proper divisors (274166912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157373440 is an equidigital number, since it uses as much as digits as its factorization.

157373440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4405 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 157373440 is about 12544.8571135745. The cubic root of 157373440 is about 539.8964593434.

The spelling of 157373440 in words is "one hundred fifty-seven million, three hundred seventy-three thousand, four hundred forty".