45000444 has 12 divisors (see below), whose sum is σ = 105001064. Its totient is φ = 15000144.

The previous prime is 45000419. The next prime is 45000451. The reversal of 45000444 is 44400054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45000444.

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, 1875007 + ... + 1875030.

Almost surely, 2^45000444 is an apocalyptic number.

It is an amenable number.

45000444 is an abundant number, since it is smaller than the sum of its proper divisors (60000620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45000444 is a wasteful number, since it uses less digits than its factorization.

45000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750044 (or 3750042 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 45000444 is about 6708.2370262238. The cubic root of 45000444 is about 355.6905002678.

Adding to 45000444 its reverse (44400054), we get a palindrome (89400498).

The spelling of 45000444 in words is "forty-five million, four hundred forty-four", and thus it is an aban number.