45444002 has 12 divisors (see below), whose sum is σ = 69485010. Its totient is φ = 22290528.

The previous prime is 45443999. The next prime is 45444011. The reversal of 45444002 is 20044454.

It can be written as a sum of positive squares in 3 ways, for example, as 34939921 + 10504081 = 5911^2 + 3241^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1574 + ... + 9662.

Almost surely, 2^45444002 is an apocalyptic number.

45444002 is a deficient number, since it is larger than the sum of its proper divisors (24041008).

45444002 is an equidigital number, since it uses as much as digits as its factorization.

45444002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197 (or 8144 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 45444002 is about 6741.2166557677. The cubic root of 45444002 is about 356.8553319059.

Adding to 45444002 its reverse (20044454), we get a palindrome (65488456).

The spelling of 45444002 in words is "forty-five million, four hundred forty-four thousand, two".