155899002 has 16 divisors (see below), whose sum is σ = 356340672. Its totient is φ = 44542560.

The previous prime is 155898979. The next prime is 155899021. The reversal of 155899002 is 200998551.

155899002 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 7 ways as a sum of consecutive naturals, for example, 1855899 + ... + 1855982.

It is an arithmetic number, because the mean of its divisors is an integer number (22271292).

Almost surely, 2^155899002 is an apocalyptic number.

155899002 is an abundant number, since it is smaller than the sum of its proper divisors (200441670).

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

155899002 is a wasteful number, since it uses less digits than its factorization.

155899002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711893.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 155899002 is about 12485.9521863573. The cubic root of 155899002 is about 538.2050622594.

The spelling of 155899002 in words is "one hundred fifty-five million, eight hundred ninety-nine thousand, two".