151515012 has 24 divisors (see below), whose sum is σ = 385674912. Its totient is φ = 45913600.

The previous prime is 151514989. The next prime is 151515041. The reversal of 151515012 is 210515151.

151515012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×151515012² = 45913597722720288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151515012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573789 + ... + 574052.

It is an arithmetic number, because the mean of its divisors is an integer number (16069788).

Almost surely, 2^151515012 is an apocalyptic number.

151515012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

151515012 is an abundant number, since it is smaller than the sum of its proper divisors (234159900).

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

151515012 is a wasteful number, since it uses less digits than its factorization.

151515012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147859 (or 1147857 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 151515012 is about 12309.1434307997. The cubic root of 151515012 is about 533.1121185007.

The spelling of 151515012 in words is "one hundred fifty-one million, five hundred fifteen thousand, twelve".