15155252 has 48 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 6124800.

The previous prime is 15155209. The next prime is 15155263. The reversal of 15155252 is 25255151.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64928 + ... + 65160.

It is an arithmetic number, because the mean of its divisors is an integer number (668304).

Almost surely, 2^15155252 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 15155252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

15155252 is an abundant number, since it is smaller than the sum of its proper divisors (16923340).

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

15155252 is a wasteful number, since it uses less digits than its factorization.

15155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 366 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 15155252 is about 3892.9746980940. The cubic root of 15155252 is about 247.4691428387.

The spelling of 15155252 in words is "fifteen million, one hundred fifty-five thousand, two hundred fifty-two".