5145442444 has 12 divisors (see below), whose sum is σ = 9247890064. Its totient is φ = 2503188144.

The previous prime is 5145442439. The next prime is 5145442499. The reversal of 5145442444 is 4442445415.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 17383104 + ... + 17383399.

Almost surely, 2^5145442444 is an apocalyptic number.

It is an amenable number.

5145442444 is a deficient number, since it is larger than the sum of its proper divisors (4102447620).

5145442444 is a wasteful number, since it uses less digits than its factorization.

5145442444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34766544 (or 34766542 counting only the distinct ones).

The product of its digits is 204800, while the sum is 37.

The square root of 5145442444 is about 71731.7394463567. The cubic root of 5145442444 is about 1726.3979363605.

Adding to 5145442444 its reverse (4442445415), we get a palindrome (9587887859).

The spelling of 5145442444 in words is "five billion, one hundred forty-five million, four hundred forty-two thousand, four hundred forty-four".