15090452 has 12 divisors (see below), whose sum is σ = 28439796. Its totient is φ = 6964800.

The previous prime is 15090443. The next prime is 15090457. The reversal of 15090452 is 25409051.

It can be written as a sum of positive squares in 2 ways, for example, as 6990736 + 8099716 = 2644^2 + 2846^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15090457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145049 + ... + 145152.

It is an arithmetic number, because the mean of its divisors is an integer number (2369983).

Almost surely, 2^15090452 is an apocalyptic number.

It is an amenable number.

15090452 is a deficient number, since it is larger than the sum of its proper divisors (13349344).

15090452 is a wasteful number, since it uses less digits than its factorization.

15090452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290218 (or 290216 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 15090452 is about 3884.6430981494. The cubic root of 15090452 is about 247.1159339272.

The spelling of 15090452 in words is "fifteen million, ninety thousand, four hundred fifty-two".