1515157152 has 24 divisors (see below), whose sum is σ = 3977287776. Its totient is φ = 505052352.

The previous prime is 1515157123. The next prime is 1515157157. The reversal of 1515157152 is 2517515151.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1515157152² = 4591402390513502208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1515157157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7891348 + ... + 7891539.

It is an arithmetic number, because the mean of its divisors is an integer number (165720324).

Almost surely, 2^1515157152 is an apocalyptic number.

1515157152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1515157152 is an abundant number, since it is smaller than the sum of its proper divisors (2462130624).

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

1515157152 is a wasteful number, since it uses less digits than its factorization.

1515157152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15782900 (or 15782892 counting only the distinct ones).

The product of its digits is 8750, while the sum is 33.

The square root of 1515157152 is about 38925.0196146386. The cubic root of 1515157152 is about 1148.5570186342.

The spelling of 1515157152 in words is "one billion, five hundred fifteen million, one hundred fifty-seven thousand, one hundred fifty-two".