15453252 has 72 divisors (see below), whose sum is σ = 41164032. Its totient is φ = 4881600.

The previous prime is 15453241. The next prime is 15453253. The reversal of 15453252 is 25235451.

It is a happy number.

15453252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (15453253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67963 + ... + 68189.

Almost surely, 2^15453252 is an apocalyptic number.

15453252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15453252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20582016).

15453252 is an abundant number, since it is smaller than the sum of its proper divisors (25710780).

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

15453252 is a wasteful number, since it uses less digits than its factorization.

15453252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 324 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 15453252 is about 3931.0624518061. The cubic root of 15453252 is about 249.0806338748.

It can be divided in two parts, 1 and 5453252, that added together give a triangular number (5453253 = T₃₃₀₂).

The spelling of 15453252 in words is "fifteen million, four hundred fifty-three thousand, two hundred fifty-two".