5145644504 has 64 divisors (see below), whose sum is σ = 12954090240. Its totient is φ = 1850578560.

The previous prime is 5145644453. The next prime is 5145644519. The reversal of 5145644504 is 4054465415.

It is a happy number.

It is a congruent number.

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, 313274 + ... + 329289.

It is an arithmetic number, because the mean of its divisors is an integer number (202407660).

Almost surely, 2^5145644504 is an apocalyptic number.

It is an amenable number.

5145644504 is an abundant number, since it is smaller than the sum of its proper divisors (7808445736).

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

5145644504 is a wasteful number, since it uses less digits than its factorization.

5145644504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642600 (or 642596 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The square root of 5145644504 is about 71733.1478746054. The cubic root of 5145644504 is about 1726.4205344432.

Subtracting from 5145644504 its reverse (4054465415), we obtain a square (1091179089 = 33033²).

The spelling of 5145644504 in words is "five billion, one hundred forty-five million, six hundred forty-four thousand, five hundred four".