5145227045772 has 96 divisors (see below), whose sum is σ = 13579148378880. Its totient is φ = 1501996903680.

The previous prime is 5145227045771. The next prime is 5145227045779. The reversal of 5145227045772 is 2775407225415.

It is a super-2 number, since 2×5145227045772² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5145227045771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178758 + ... + 3212850.

It is an arithmetic number, because the mean of its divisors is an integer number (141449462280).

Almost surely, 2^{5145227045772} 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 5145227045772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6789574189440).

5145227045772 is an abundant number, since it is smaller than the sum of its proper divisors (8433921333108).

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

5145227045772 is a wasteful number, since it uses less digits than its factorization.

5145227045772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034583 (or 3034581 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 51.

The spelling of 5145227045772 in words is "five trillion, one hundred forty-five billion, two hundred twenty-seven million, forty-five thousand, seven hundred seventy-two".