1144321443 has 12 divisors (see below), whose sum is σ = 1654495128. Its totient is φ = 762148800.

The previous prime is 1144321433. The next prime is 1144321447. The reversal of 1144321443 is 3441234411.

1144321443 is a `hidden beast` number, since 1 + 1 + 443 + 214 + 4 + 3 = 666.

It is not a de Polignac number, because 1144321443 - 2²⁵ = 1110767011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144321447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51030 + ... + 69947.

It is an arithmetic number, because the mean of its divisors is an integer number (137874594).

Almost surely, 2^1144321443 is an apocalyptic number.

1144321443 is a deficient number, since it is larger than the sum of its proper divisors (510173685).

1144321443 is a wasteful number, since it uses less digits than its factorization.

1144321443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122034 (or 122031 counting only the distinct ones).

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

The square root of 1144321443 is about 33827.8205475907. The cubic root of 1144321443 is about 1045.9622534018.

Adding to 1144321443 its reverse (3441234411), we get a palindrome (4585555854).

The spelling of 1144321443 in words is "one billion, one hundred forty-four million, three hundred twenty-one thousand, four hundred forty-three".