1144443321 has 48 divisors (see below), whose sum is σ = 2006509440. Its totient is φ = 613992960.

The previous prime is 1144443319. The next prime is 1144443331. The reversal of 1144443321 is 1233444411.

It is not a de Polignac number, because 1144443321 - 2¹ = 1144443319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144443331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131031 + ... + 139491.

It is an arithmetic number, because the mean of its divisors is an integer number (41802280).

Almost surely, 2^1144443321 is an apocalyptic number.

It is an amenable number.

1144443321 is a deficient number, since it is larger than the sum of its proper divisors (862066119).

1144443321 is a wasteful number, since it uses less digits than its factorization.

1144443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8606 (or 8603 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1144443321 is about 33829.6219458628. The cubic root of 1144443321 is about 1045.9993861098. Note that the first 3 decimals are identical.

Adding to 1144443321 its reverse (1233444411), we get a palindrome (2377887732).

The spelling of 1144443321 in words is "one billion, one hundred forty-four million, four hundred forty-three thousand, three hundred twenty-one".