15485745 has 32 divisors (see below), whose sum is σ = 27279360. Its totient is φ = 7439040.

The previous prime is 15485737. The next prime is 15485747. The reversal of 15485745 is 54758451.

15485745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15485745 - 2³ = 15485737 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (15485747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20586 + ... + 21324.

It is an arithmetic number, because the mean of its divisors is an integer number (852480).

Almost surely, 2^15485745 is an apocalyptic number.

15485745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15485745 is a deficient number, since it is larger than the sum of its proper divisors (11793615).

15485745 is a wasteful number, since it uses less digits than its factorization.

15485745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its digits is 112000, while the sum is 39.

The square root of 15485745 is about 3935.1931337610. The cubic root of 15485745 is about 249.2550893034.

The spelling of 15485745 in words is "fifteen million, four hundred eighty-five thousand, seven hundred forty-five".