155325504 has 56 divisors (see below), whose sum is σ = 412138368. Its totient is φ = 51627520.

The previous prime is 155325491. The next prime is 155325517. The reversal of 155325504 is 405523551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155325491) and next prime (155325517).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81814 + ... + 83690.

Almost surely, 2^155325504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155325504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206069184).

155325504 is an abundant number, since it is smaller than the sum of its proper divisors (256812864).

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

155325504 is a wasteful number, since it uses less digits than its factorization.

155325504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 155325504 is about 12462.9652972316. The cubic root of 155325504 is about 537.5442951777.

The spelling of 155325504 in words is "one hundred fifty-five million, three hundred twenty-five thousand, five hundred four".