8742144522 has 16 divisors (see below), whose sum is σ = 18048298752. Its totient is φ = 2820046560.

The previous prime is 8742144487. The next prime is 8742144529. The reversal of 8742144522 is 2254412478.

8742144522 is a modest number, since divided by 144522 gives 8742 as remainder.

It is not an unprimeable number, because it can be changed into a prime (8742144529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23500203 + ... + 23500574.

It is an arithmetic number, because the mean of its divisors is an integer number (1128018672).

Almost surely, 2^8742144522 is an apocalyptic number.

8742144522 is an abundant number, since it is smaller than the sum of its proper divisors (9306154230).

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

8742144522 is a wasteful number, since it uses less digits than its factorization.

8742144522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47000813.

The product of its digits is 143360, while the sum is 39.

The square root of 8742144522 is about 93499.4359448227. The cubic root of 8742144522 is about 2060.0258049679.

The spelling of 8742144522 in words is "eight billion, seven hundred forty-two million, one hundred forty-four thousand, five hundred twenty-two".