5145563544 has 64 divisors (see below), whose sum is σ = 14054394240. Its totient is φ = 1556924160.

The previous prime is 5145563539. The next prime is 5145563557. The reversal of 5145563544 is 4453655415.

It is a junction number, because it is equal to n+sod(n) for n = 5145563496 and 5145563505.

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, 166044 + ... + 194580.

It is an arithmetic number, because the mean of its divisors is an integer number (219599910).

Almost surely, 2^5145563544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145563544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7027197120).

5145563544 is an abundant number, since it is smaller than the sum of its proper divisors (8908830696).

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

5145563544 is a wasteful number, since it uses less digits than its factorization.

5145563544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29240 (or 29236 counting only the distinct ones).

The product of its digits is 720000, while the sum is 42.

The square root of 5145563544 is about 71732.5835586590. The cubic root of 5145563544 is about 1726.4114800711.

The spelling of 5145563544 in words is "five billion, one hundred forty-five million, five hundred sixty-three thousand, five hundred forty-four".