155252504 has 32 divisors (see below), whose sum is σ = 318047040. Its totient is φ = 70461600.

The previous prime is 155252501. The next prime is 155252509. The reversal of 155252504 is 405252551.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155252501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98039 + ... + 99609.

It is an arithmetic number, because the mean of its divisors is an integer number (9938970).

Almost surely, 2^155252504 is an apocalyptic number.

It is an amenable number.

155252504 is an abundant number, since it is smaller than the sum of its proper divisors (162794536).

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

155252504 is a wasteful number, since it uses less digits than its factorization.

155252504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 155252504 is about 12460.0362760307. The cubic root of 155252504 is about 537.4600701544.

The spelling of 155252504 in words is "one hundred fifty-five million, two hundred fifty-two thousand, five hundred four".