45207644 has 12 divisors (see below), whose sum is σ = 79165968. Its totient is φ = 22588800.

The previous prime is 45207637. The next prime is 45207653. The reversal of 45207644 is 44670254.

It is a super-3 number, since 3×45207644³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45207644.

It is a congruent number.

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, 5609 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (6597164).

Almost surely, 2^45207644 is an apocalyptic number.

It is an amenable number.

45207644 is a deficient number, since it is larger than the sum of its proper divisors (33958324).

45207644 is a wasteful number, since it uses less digits than its factorization.

45207644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516 (or 7514 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 45207644 is about 6723.6629897698. The cubic root of 45207644 is about 356.2355781994.

Adding to 45207644 its reverse (44670254), we get a palindrome (89877898).

The spelling of 45207644 in words is "forty-five million, two hundred seven thousand, six hundred forty-four".