5145102444 has 12 divisors (see below), whose sum is σ = 12005239064. Its totient is φ = 1715034144.

The previous prime is 5145102427. The next prime is 5145102449. The reversal of 5145102444 is 4442015415.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5145102449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214379257 + ... + 214379280.

Almost surely, 2^5145102444 is an apocalyptic number.

It is an amenable number.

5145102444 is an abundant number, since it is smaller than the sum of its proper divisors (6860136620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5145102444 is a wasteful number, since it uses less digits than its factorization.

5145102444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428758544 (or 428758542 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 5145102444 is about 71729.3694660702. The cubic root of 5145102444 is about 1726.3599099430.

Adding to 5145102444 its reverse (4442015415), we get a palindrome (9587117859).

The spelling of 5145102444 in words is "five billion, one hundred forty-five million, one hundred two thousand, four hundred forty-four".