45000044 has 6 divisors (see below), whose sum is σ = 78750084. Its totient is φ = 22500020.

The previous prime is 45000031. The next prime is 45000061. The reversal of 45000044 is 44000054.

It is a junction number, because it is equal to n+sod(n) for n = 44999986 and 45000031.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625002 + ... + 5625009.

It is an arithmetic number, because the mean of its divisors is an integer number (13125014).

Almost surely, 2^45000044 is an apocalyptic number.

It is an amenable number.

45000044 is a deficient number, since it is larger than the sum of its proper divisors (33750040).

45000044 is a wasteful number, since it uses less digits than its factorization.

45000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11250015 (or 11250013 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 45000044 is about 6708.2072120649. The cubic root of 45000044 is about 355.6894463773.

Adding to 45000044 its reverse (44000054), we get a palindrome (89000098).

The spelling of 45000044 in words is "forty-five million, forty-four", and thus it is an aban number.