157337720 has 32 divisors (see below), whose sum is σ = 374835600. Its totient is φ = 59232768.

The previous prime is 157337711. The next prime is 157337723. The reversal of 157337720 is 27733751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157337723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115010 + ... + 116369.

Almost surely, 2^157337720 is an apocalyptic number.

157337720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157337720 is an abundant number, since it is smaller than the sum of its proper divisors (217497880).

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

157337720 is a wasteful number, since it uses less digits than its factorization.

157337720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231407 (or 231403 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 157337720 is about 12543.4333417928. The cubic root of 157337720 is about 539.8556083993.

It can be divided in two parts, 1573 and 37720, that added together give a palindrome (39293).

The spelling of 157337720 in words is "one hundred fifty-seven million, three hundred thirty-seven thousand, seven hundred twenty".