45261644 has 12 divisors (see below), whose sum is σ = 79666944. Its totient is φ = 22499664.

The previous prime is 45261613. The next prime is 45261653. The reversal of 45261644 is 44616254.

It is a self number, because there is not a number n which added to its sum of digits gives 45261644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32012 + ... + 33395.

It is an arithmetic number, because the mean of its divisors is an integer number (6638912).

Almost surely, 2^45261644 is an apocalyptic number.

It is an amenable number.

45261644 is a deficient number, since it is larger than the sum of its proper divisors (34405300).

45261644 is a wasteful number, since it uses less digits than its factorization.

45261644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65584 (or 65582 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 45261644 is about 6727.6774595695. The cubic root of 45261644 is about 356.3773615001.

Adding to 45261644 its reverse (44616254), we get a palindrome (89877898).

The spelling of 45261644 in words is "forty-five million, two hundred sixty-one thousand, six hundred forty-four".