45974644 has 6 divisors (see below), whose sum is σ = 80455634. Its totient is φ = 22987320.

The previous prime is 45974627. The next prime is 45974651. The reversal of 45974644 is 44647954.

45974644 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., 45724644 + 250000 = 6762^2 + 500^2 .

It is a super-2 number, since 2×45974644² = 4227335781853472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45974644.

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 as a sum of consecutive naturals, namely, 5746827 + ... + 5746834.

Almost surely, 2^45974644 is an apocalyptic number.

It is an amenable number.

45974644 is a deficient number, since it is larger than the sum of its proper divisors (34480990).

45974644 is a wasteful number, since it uses less digits than its factorization.

45974644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493665 (or 11493663 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 45974644 is about 6780.4604563407. The cubic root of 45974644 is about 358.2389403915.

The spelling of 45974644 in words is "forty-five million, nine hundred seventy-four thousand, six hundred forty-four".