45647285 has 4 divisors (see below), whose sum is σ = 54776748. Its totient is φ = 36517824.

The previous prime is 45647269. The next prime is 45647317. The reversal of 45647285 is 58274654.

45647285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13645636 + 32001649 = 3694^2 + 5657^2 .

It is a cyclic number.

It is not a de Polignac number, because 45647285 - 2⁴ = 45647269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4564724 + ... + 4564733.

It is an arithmetic number, because the mean of its divisors is an integer number (13694187).

Almost surely, 2^45647285 is an apocalyptic number.

It is an amenable number.

45647285 is a deficient number, since it is larger than the sum of its proper divisors (9129463).

45647285 is an equidigital number, since it uses as much as digits as its factorization.

45647285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129462.

The product of its digits is 268800, while the sum is 41.

The square root of 45647285 is about 6756.2774513781. The cubic root of 45647285 is about 357.3866431156.

The spelling of 45647285 in words is "forty-five million, six hundred forty-seven thousand, two hundred eighty-five".