45279625 has 8 divisors (see below), whose sum is σ = 56509128. Its totient is φ = 36223600.

The previous prime is 45279587. The next prime is 45279631. The reversal of 45279625 is 52697254.

45279625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 710649 + 44568976 = 843^2 + 6676^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45279625 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 180994 + ... + 181243.

It is an arithmetic number, because the mean of its divisors is an integer number (7063641).

Almost surely, 2^45279625 is an apocalyptic number.

It is an amenable number.

45279625 is a deficient number, since it is larger than the sum of its proper divisors (11229503).

45279625 is an equidigital number, since it uses as much as digits as its factorization.

45279625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362252 (or 362242 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 45279625 is about 6729.0136721514. The cubic root of 45279625 is about 356.4245476854.

The spelling of 45279625 in words is "forty-five million, two hundred seventy-nine thousand, six hundred twenty-five".