5144320445 has 24 divisors (see below), whose sum is σ = 7184556792. Its totient is φ = 3521239040.

The previous prime is 5144320429. The next prime is 5144320453. The reversal of 5144320445 is 5440234415.

It can be written as a sum of positive squares in 4 ways, for example, as 453988249 + 4690332196 = 21307^2 + 68486^2 .

It is not a de Polignac number, because 5144320445 - 2⁴ = 5144320429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239804 + ... + 260373.

It is an arithmetic number, because the mean of its divisors is an integer number (299356533).

Almost surely, 2^5144320445 is an apocalyptic number.

5144320445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5144320445 is a deficient number, since it is larger than the sum of its proper divisors (2040236347).

5144320445 is a wasteful number, since it uses less digits than its factorization.

5144320445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500221 (or 500210 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 5144320445 is about 71723.9182211903. The cubic root of 5144320445 is about 1726.2724429367.

The spelling of 5144320445 in words is "five billion, one hundred forty-four million, three hundred twenty thousand, four hundred forty-five".