5145453444 has 48 divisors (see below), whose sum is σ = 13007953728. Its totient is φ = 1576716288.

The previous prime is 5145453421. The next prime is 5145453463. The reversal of 5145453444 is 4443545415.

It is a super-2 number, since 2×5145453444² = 52951382288742922272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284517 + ... + 302060.

It is an arithmetic number, because the mean of its divisors is an integer number (270999036).

Almost surely, 2^5145453444 is an apocalyptic number.

It is an amenable number.

5145453444 is an abundant number, since it is smaller than the sum of its proper divisors (7862500284).

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

5145453444 is a wasteful number, since it uses less digits than its factorization.

5145453444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586644 (or 586642 counting only the distinct ones).

The product of its digits is 384000, while the sum is 39.

The square root of 5145453444 is about 71731.8161208818. The cubic root of 5145453444 is about 1726.3991665990.

Adding to 5145453444 its reverse (4443545415), we get a palindrome (9588998859).

The spelling of 5145453444 in words is "five billion, one hundred forty-five million, four hundred fifty-three thousand, four hundred forty-four".