153115755 has 32 divisors (see below), whose sum is σ = 264769344. Its totient is φ = 75111936.

The previous prime is 153115709. The next prime is 153115759. The reversal of 153115755 is 557511351.

It is not a de Polignac number, because 153115755 - 2⁶ = 153115691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153115759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60577 + ... + 63053.

It is an arithmetic number, because the mean of its divisors is an integer number (8274042).

Almost surely, 2^153115755 is an apocalyptic number.

153115755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

153115755 is a deficient number, since it is larger than the sum of its proper divisors (111653589).

153115755 is a wasteful number, since it uses less digits than its factorization.

153115755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 13125, while the sum is 33.

The square root of 153115755 is about 12373.9951107151. The cubic root of 153115755 is about 534.9829732258.

The spelling of 153115755 in words is "one hundred fifty-three million, one hundred fifteen thousand, seven hundred fifty-five".