155104504 has 8 divisors (see below), whose sum is σ = 290820960. Its totient is φ = 77552248.

The previous prime is 155104471. The next prime is 155104637. The reversal of 155104504 is 405401551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×155104504² = 48114814322172032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9694024 + ... + 9694039.

It is an arithmetic number, because the mean of its divisors is an integer number (36352620).

Almost surely, 2^155104504 is an apocalyptic number.

It is an amenable number.

155104504 is a deficient number, since it is larger than the sum of its proper divisors (135716456).

155104504 is a wasteful number, since it uses less digits than its factorization.

155104504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19388069 (or 19388065 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155104504 is about 12454.0958724429. The cubic root of 155104504 is about 537.2892315145.

The spelling of 155104504 in words is "one hundred fifty-five million, one hundred four thousand, five hundred four".