5145522660 has 144 divisors (see below), whose sum is σ = 16077625200. Its totient is φ = 1331085312.

The previous prime is 5145522647. The next prime is 5145522661. The reversal of 5145522660 is 662255415.

It can be written as a sum of positive squares in 8 ways, for example, as 748241316 + 4397281344 = 27354^2 + 66312^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5145522661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2722996 + ... + 2724884.

It is an arithmetic number, because the mean of its divisors is an integer number (111650175).

Almost surely, 2^5145522660 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 5145522660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8038812600).

5145522660 is an abundant number, since it is smaller than the sum of its proper divisors (10932102540).

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

5145522660 is a wasteful number, since it uses less digits than its factorization.

5145522660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 2345 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5145522660 is about 71732.2985829954. The cubic root of 5145522660 is about 1726.4069076666.

The spelling of 5145522660 in words is "five billion, one hundred forty-five million, five hundred twenty-two thousand, six hundred sixty".