15045489 has 12 divisors (see below), whose sum is σ = 21878272. Its totient is φ = 9963000.

The previous prime is 15045469. The next prime is 15045491. The reversal of 15045489 is 98454051.

It is not a de Polignac number, because 15045489 - 2¹² = 15041393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15045449) 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 11 ways as a sum of consecutive naturals, for example, 4177 + ... + 6894.

Almost surely, 2^15045489 is an apocalyptic number.

It is an amenable number.

15045489 is a deficient number, since it is larger than the sum of its proper divisors (6832783).

15045489 is a wasteful number, since it uses less digits than its factorization.

15045489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 15045489 is about 3878.8515052783. The cubic root of 15045489 is about 246.8702570044.

The spelling of 15045489 in words is "fifteen million, forty-five thousand, four hundred eighty-nine".