153115920 has 100 divisors (see below), whose sum is σ = 531816780. Its totient is φ = 40829184.

The previous prime is 153115909. The next prime is 153115961. The reversal of 153115920 is 29511351.

It can be written as a sum of positive squares in 2 ways, for example, as 21233664 + 131882256 = 4608^2 + 11484^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5335 + ... + 18294.

Almost surely, 2^153115920 is an apocalyptic number.

153115920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153115920 is an abundant number, since it is smaller than the sum of its proper divisors (378700860).

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

153115920 is a wasteful number, since it uses less digits than its factorization.

153115920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23654 (or 23639 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 153115920 is about 12374.0017779213. The cubic root of 153115920 is about 534.9831653945.

The spelling of 153115920 in words is "one hundred fifty-three million, one hundred fifteen thousand, nine hundred twenty".