153015055 has 4 divisors (see below), whose sum is σ = 183618072. Its totient is φ = 122412040.

The previous prime is 153015007. The next prime is 153015059. The reversal of 153015055 is 550510351.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-153015055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153015059) 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, 15301501 + ... + 15301510.

It is an arithmetic number, because the mean of its divisors is an integer number (45904518).

Almost surely, 2^153015055 is an apocalyptic number.

153015055 is a deficient number, since it is larger than the sum of its proper divisors (30603017).

153015055 is an equidigital number, since it uses as much as digits as its factorization.

153015055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30603016.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 153015055 is about 12369.9254241891. The cubic root of 153015055 is about 534.8656663340.

The spelling of 153015055 in words is "one hundred fifty-three million, fifteen thousand, fifty-five".