45445304444 has 12 divisors (see below), whose sum is σ = 80301412464. Its totient is φ = 22502043744.

The previous prime is 45445304381. The next prime is 45445304447. The reversal of 45445304444 is 44440354454.

It is a super-2 number, since 2×45445304444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445304447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55151657 + ... + 55152480.

It is an arithmetic number, because the mean of its divisors is an integer number (6691784372).

Almost surely, 2^45445304444 is an apocalyptic number.

It is an amenable number.

45445304444 is a deficient number, since it is larger than the sum of its proper divisors (34856108020).

45445304444 is a wasteful number, since it uses less digits than its factorization.

45445304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110304244 (or 110304242 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 41.

Adding to 45445304444 its reverse (44440354454), we get a palindrome (89885658898).

The spelling of 45445304444 in words is "forty-five billion, four hundred forty-five million, three hundred four thousand, four hundred forty-four".