15040452 has 36 divisors (see below), whose sum is σ = 40825680. Its totient is φ = 4297104.

The previous prime is 15040451. The next prime is 15040453. The reversal of 15040452 is 25404051.

It is an interprime number because it is at equal distance from previous prime (15040451) and next prime (15040453).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (15040451) 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, 12202 + ... + 13377.

Almost surely, 2^15040452 is an apocalyptic number.

15040452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15040452 is an abundant number, since it is smaller than the sum of its proper divisors (25785228).

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

15040452 is a wasteful number, since it uses less digits than its factorization.

15040452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25600 (or 25591 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 15040452 is about 3878.2021607956. The cubic root of 15040452 is about 246.8427044652.

The spelling of 15040452 in words is "fifteen million, forty thousand, four hundred fifty-two".