1144323441 has 24 divisors (see below), whose sum is σ = 1718843880. Its totient is φ = 732727296.

The previous prime is 1144323437. The next prime is 1144323443. The reversal of 1144323441 is 1443234411.

It can be written as a sum of positive squares in 4 ways, for example, as 39425841 + 1104897600 = 6279^2 + 33240^2 .

It is not a de Polignac number, because 1144323441 - 2² = 1144323437 is a prime.

It is a super-2 number, since 2×1144323441² = 2618952275244160962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1144323443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39015 + ... + 61731.

It is an arithmetic number, because the mean of its divisors is an integer number (71618495).

Almost surely, 2^1144323441 is an apocalyptic number.

It is an amenable number.

1144323441 is a deficient number, since it is larger than the sum of its proper divisors (574520439).

1144323441 is a wasteful number, since it uses less digits than its factorization.

1144323441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22945 (or 22942 counting only the distinct ones).

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

The square root of 1144323441 is about 33827.8500794833. The cubic root of 1144323441 is about 1045.9628621560.

Adding to 1144323441 its reverse (1443234411), we get a palindrome (2587557852).

The spelling of 1144323441 in words is "one billion, one hundred forty-four million, three hundred twenty-three thousand, four hundred forty-one".