45812644 has 6 divisors (see below), whose sum is σ = 80172134. Its totient is φ = 22906320.

The previous prime is 45812633. The next prime is 45812651. The reversal of 45812644 is 44621854.

45812644 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 only one way, i.e., 45024100 + 788544 = 6710^2 + 888^2 .

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 as a sum of consecutive naturals, namely, 5726577 + ... + 5726584.

Almost surely, 2^45812644 is an apocalyptic number.

It is an amenable number.

45812644 is a deficient number, since it is larger than the sum of its proper divisors (34359490).

45812644 is a wasteful number, since it uses less digits than its factorization.

45812644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11453165 (or 11453163 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 45812644 is about 6768.5038228548. The cubic root of 45812644 is about 357.8176718956.

It can be divided in two parts, 4581 and 2644, that added together give a square (7225 = 85²).

The spelling of 45812644 in words is "forty-five million, eight hundred twelve thousand, six hundred forty-four".