515051148 has 12 divisors (see below), whose sum is σ = 1201786040. Its totient is φ = 171683712.

The previous prime is 515051093. The next prime is 515051161. The reversal of 515051148 is 841150515.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×515051148² = 530555370112235808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21460453 + ... + 21460476.

Almost surely, 2^515051148 is an apocalyptic number.

It is an amenable number.

515051148 is an abundant number, since it is smaller than the sum of its proper divisors (686734892).

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

515051148 is a wasteful number, since it uses less digits than its factorization.

515051148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42920936 (or 42920934 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

The square root of 515051148 is about 22694.7383329264. The cubic root of 515051148 is about 801.5859932872.

The spelling of 515051148 in words is "five hundred fifteen million, fifty-one thousand, one hundred forty-eight".