157512200 has 48 divisors (see below), whose sum is σ = 370372500. Its totient is φ = 62289920.

The previous prime is 157512193. The next prime is 157512217. The reversal of 157512200 is 2215751.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1811716 + 155700484 = 1346^2 + 12478^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13376 + ... + 22224.

Almost surely, 2^157512200 is an apocalyptic number.

157512200 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 157512200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185186250).

157512200 is an abundant number, since it is smaller than the sum of its proper divisors (212860300).

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

157512200 is a wasteful number, since it uses less digits than its factorization.

157512200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954 (or 8945 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 157512200 is about 12550.3864482334. The cubic root of 157512200 is about 540.0550926872.

Adding to 157512200 its reverse (2215751), we get a palindrome (159727951).

The spelling of 157512200 in words is "one hundred fifty-seven million, five hundred twelve thousand, two hundred".