44445254445 has 40 divisors (see below), whose sum is σ = 80014344696. Its totient is φ = 23602351104.

The previous prime is 44445254443. The next prime is 44445254509. The reversal of 44445254445 is 54445254444.

44445254445 is a `hidden beast` number, since 4 + 4 + 44 + 525 + 44 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1320086889 + 43125167556 = 36333^2 + 207666^2 .

It is not a de Polignac number, because 44445254445 - 2¹ = 44445254443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 44445254445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44445254443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 141132 + ... + 329861.

Almost surely, 2^44445254445 is an apocalyptic number.

44445254445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44445254445 is a deficient number, since it is larger than the sum of its proper divisors (35569090251).

44445254445 is a wasteful number, since it uses less digits than its factorization.

44445254445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471243 (or 471234 counting only the distinct ones).

The product of its digits is 4096000, while the sum is 45.

Subtracting 44445254445 from its reverse (54445254444), we obtain a palindrome (9999999999).

The spelling of 44445254445 in words is "forty-four billion, four hundred forty-five million, two hundred fifty-four thousand, four hundred forty-five".