1144344516 has 24 divisors (see below), whose sum is σ = 3051585600. Its totient is φ = 326955552.

The previous prime is 1144344503. The next prime is 1144344517. The reversal of 1144344516 is 6154434411.

It is not an unprimeable number, because it can be changed into a prime (1144344517) 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, 6811491 + ... + 6811658.

It is an arithmetic number, because the mean of its divisors is an integer number (127149400).

Almost surely, 2^1144344516 is an apocalyptic number.

It is an amenable number.

1144344516 is an abundant number, since it is smaller than the sum of its proper divisors (1907241084).

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

1144344516 is a wasteful number, since it uses less digits than its factorization.

1144344516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623163 (or 13623161 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 1144344516 is about 33828.1615817354. The cubic root of 1144344516 is about 1045.9692832811.

Adding to 1144344516 its reverse (6154434411), we get a palindrome (7298778927).

The spelling of 1144344516 in words is "one billion, one hundred forty-four million, three hundred forty-four thousand, five hundred sixteen".