155515002 has 32 divisors (see below), whose sum is σ = 314891712. Its totient is φ = 51199104.

The previous prime is 155514967. The next prime is 155515013. The reversal of 155515002 is 200515551.

155515002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227353 + ... + 228035.

It is an arithmetic number, because the mean of its divisors is an integer number (9840366).

Almost surely, 2^155515002 is an apocalyptic number.

155515002 is an abundant number, since it is smaller than the sum of its proper divisors (159376710).

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

155515002 is a wasteful number, since it uses less digits than its factorization.

155515002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 155515002 is about 12470.5654242300. The cubic root of 155515002 is about 537.7628087070.

The spelling of 155515002 in words is "one hundred fifty-five million, five hundred fifteen thousand, two".