815012152 has 16 divisors (see below), whose sum is σ = 1542431160. Its totient is φ = 403697184.

The previous prime is 815012141. The next prime is 815012171. The reversal of 815012152 is 251210518.

It is a super-2 number, since 2×815012152² = 1328489615815342208, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 475203 + ... + 476914.

Almost surely, 2^815012152 is an apocalyptic number.

It is an amenable number.

815012152 is a deficient number, since it is larger than the sum of its proper divisors (727419008).

815012152 is a wasteful number, since it uses less digits than its factorization.

815012152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952230 (or 952226 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 815012152 is about 28548.4176794442. The cubic root of 815012152 is about 934.0885059350.

It can be divided in two parts, 8150 and 12152, that added together give a palindrome (20302).

The spelling of 815012152 in words is "eight hundred fifteen million, twelve thousand, one hundred fifty-two".