944900045 has 18 divisors (see below), whose sum is σ = 1158395658. Its totient is φ = 739918528.

The previous prime is 944900041. The next prime is 944900083. The reversal of 944900045 is 540009449.

It can be written as a sum of positive squares in 3 ways, for example, as 13924 + 944886121 = 118^2 + 30739^2 .

It is not a de Polignac number, because 944900045 - 2² = 944900041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 944899978 and 944900014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944900041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4055249 + ... + 4055481.

Almost surely, 2^944900045 is an apocalyptic number.

It is an amenable number.

944900045 is a deficient number, since it is larger than the sum of its proper divisors (213495613).

944900045 is an frugal number, since it uses more digits than its factorization.

944900045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 944900045 is about 30739.2264866896. The cubic root of 944900045 is about 981.2852929548.

Multiplying 944900045 by its product of nonzero digits (25920), we get a square (24491809166400 = 4948920²).

The spelling of 944900045 in words is "nine hundred forty-four million, nine hundred thousand, forty-five".