1144515522 has 16 divisors (see below), whose sum is σ = 2289782880. Its totient is φ = 381379872.

The previous prime is 1144515511. The next prime is 1144515539. The reversal of 1144515522 is 2255154411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144515522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10468 + ... + 48975.

It is an arithmetic number, because the mean of its divisors is an integer number (143111430).

Almost surely, 2^1144515522 is an apocalyptic number.

1144515522 is an abundant number, since it is smaller than the sum of its proper divisors (1145267358).

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

1144515522 is a wasteful number, since it uses less digits than its factorization.

1144515522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62657.

The product of its digits is 8000, while the sum is 30.

The square root of 1144515522 is about 33830.6890559445. The cubic root of 1144515522 is about 1046.0213824266.

Adding to 1144515522 its reverse (2255154411), we get a palindrome (3399669933).

The spelling of 1144515522 in words is "one billion, one hundred forty-four million, five hundred fifteen thousand, five hundred twenty-two".