157300000 has 216 divisors, whose sum is σ = 458197236. Its totient is φ = 52800000.

The previous prime is 157299991. The next prime is 157300049. The reversal of 157300000 is 3751.

It can be written as a sum of positive squares in 6 ways, for example, as 42981136 + 114318864 = 6556^2 + 10692^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12099994 + ... + 12100006.

Almost surely, 2^157300000 is an apocalyptic number.

157300000 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 157300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229098618).

157300000 is an abundant number, since it is smaller than the sum of its proper divisors (300897236).

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

157300000 is an equidigital number, since it uses as much as digits as its factorization.

157300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 16.

The square root of 157300000 is about 12541.9296760905. The cubic root of 157300000 is about 539.8124634560.

Adding to 157300000 its reverse (3751), we get a palindrome (157303751).

The spelling of 157300000 in words is "one hundred fifty-seven million, three hundred thousand".