15109452 has 36 divisors (see below), whose sum is σ = 38918880. Its totient is φ = 4940832.

The previous prime is 15109433. The next prime is 15109453. The reversal of 15109452 is 25490151.

15109452 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (15109453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2052 + ... + 5867.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^15109452 is an apocalyptic number.

15109452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15109452 is an abundant number, since it is smaller than the sum of its proper divisors (23809428).

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

15109452 is a wasteful number, since it uses less digits than its factorization.

15109452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7982 (or 7977 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 15109452 is about 3887.0878559662. The cubic root of 15109452 is about 247.2196028694.

The spelling of 15109452 in words is "fifteen million, one hundred nine thousand, four hundred fifty-two".