155055004 has 12 divisors (see below), whose sum is σ = 292219144. Its totient is φ = 71563824.

The previous prime is 155055001. The next prime is 155055013. The reversal of 155055004 is 400550551.

It is a self number, because there is not a number n which added to its sum of digits gives 155055004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155055001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1490862 + ... + 1490965.

Almost surely, 2^155055004 is an apocalyptic number.

It is an amenable number.

155055004 is a deficient number, since it is larger than the sum of its proper divisors (137164140).

155055004 is a wasteful number, since it uses less digits than its factorization.

155055004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981844 (or 2981842 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 155055004 is about 12452.1084158467. The cubic root of 155055004 is about 537.2320686640.

The spelling of 155055004 in words is "one hundred fifty-five million, fifty-five thousand, four".