15045453 has 16 divisors (see below), whose sum is σ = 22624960. Its totient is φ = 9879408.

The previous prime is 15045449. The next prime is 15045469. The reversal of 15045453 is 35454051.

It is not a de Polignac number, because 15045453 - 2² = 15045449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15045253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2350 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (1414060).

Almost surely, 2^15045453 is an apocalyptic number.

It is an amenable number.

15045453 is a deficient number, since it is larger than the sum of its proper divisors (7579507).

15045453 is an equidigital number, since it uses as much as digits as its factorization.

15045453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393 (or 8387 counting only the distinct ones).

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

The square root of 15045453 is about 3878.8468647267. The cubic root of 15045453 is about 246.8700601052.

The spelling of 15045453 in words is "fifteen million, forty-five thousand, four hundred fifty-three".