1144663441 has 4 divisors (see below), whose sum is σ = 1144756800. Its totient is φ = 1144570084.

The previous prime is 1144663439. The next prime is 1144663463. The reversal of 1144663441 is 1443664411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1144663441 - 2¹ = 1144663439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144663397 and 1144663406.

It is not an unprimeable number, because it can be changed into a prime (1144669441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24901 + ... + 53938.

It is an arithmetic number, because the mean of its divisors is an integer number (286189200).

Almost surely, 2^1144663441 is an apocalyptic number.

It is an amenable number.

1144663441 is a deficient number, since it is larger than the sum of its proper divisors (93359).

1144663441 is an equidigital number, since it uses as much as digits as its factorization.

1144663441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93358.

The product of its digits is 27648, while the sum is 34.

The square root of 1144663441 is about 33832.8751512490. The cubic root of 1144663441 is about 1046.0664436392.

The spelling of 1144663441 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, four hundred forty-one".