7145519722 has 12 divisors (see below), whose sum is σ = 11781249858. Its totient is φ = 3247963400.

The previous prime is 7145519701. The next prime is 7145519723. The reversal of 7145519722 is 2279155417.

It can be written as a sum of positive squares in only one way, i.e., 3874938001 + 3270581721 = 62249^2 + 57189^2 .

It is not an unprimeable number, because it can be changed into a prime (7145519723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14763229 + ... + 14763712.

Almost surely, 2^7145519722 is an apocalyptic number.

7145519722 is a deficient number, since it is larger than the sum of its proper divisors (4635730136).

7145519722 is a wasteful number, since it uses less digits than its factorization.

7145519722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29526965 (or 29526954 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The square root of 7145519722 is about 84531.1760358272. The cubic root of 7145519722 is about 1926.0960506455.

The spelling of 7145519722 in words is "seven billion, one hundred forty-five million, five hundred nineteen thousand, seven hundred twenty-two".