153115305 has 32 divisors (see below), whose sum is σ = 280547328. Its totient is φ = 69854400.

The previous prime is 153115297. The next prime is 153115367. The reversal of 153115305 is 503511351.

It is not a de Polignac number, because 153115305 - 2³ = 153115297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65100 + ... + 67410.

It is an arithmetic number, because the mean of its divisors is an integer number (8767104).

Almost surely, 2^153115305 is an apocalyptic number.

153115305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

153115305 is a deficient number, since it is larger than the sum of its proper divisors (127432023).

153115305 is a wasteful number, since it uses less digits than its factorization.

153115305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 153115305 is about 12373.9769274070. The cubic root of 153115305 is about 534.9824491287.

Adding to 153115305 its reverse (503511351), we get a palindrome (656626656).

It can be divided in two parts, 1531 and 15305, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 153115305 in words is "one hundred fifty-three million, one hundred fifteen thousand, three hundred five".