5145722256 has 80 divisors (see below), whose sum is σ = 13491636480. Its totient is φ = 1689768960.

The previous prime is 5145722243. The next prime is 5145722279. The reversal of 5145722256 is 6522275415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249641 + ... + 1253751.

It is an arithmetic number, because the mean of its divisors is an integer number (168645456).

Almost surely, 2^5145722256 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 5145722256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6745818240).

5145722256 is an abundant number, since it is smaller than the sum of its proper divisors (8345914224).

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

5145722256 is a wasteful number, since it uses less digits than its factorization.

5145722256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4498 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 5145722256 is about 71733.6898256321. The cubic root of 5145722256 is about 1726.4292299508.

The spelling of 5145722256 in words is "five billion, one hundred forty-five million, seven hundred twenty-two thousand, two hundred fifty-six".