1144404143 has 8 divisors (see below), whose sum is σ = 1227366000. Its totient is φ = 1063715328.

The previous prime is 1144404133. The next prime is 1144404161. The reversal of 1144404143 is 3414044411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144404143 - 2²⁰ = 1143355567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144404133) 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, 567218 + ... + 569231.

It is an arithmetic number, because the mean of its divisors is an integer number (153420750).

Almost surely, 2^1144404143 is an apocalyptic number.

1144404143 is a deficient number, since it is larger than the sum of its proper divisors (82961857).

1144404143 is a wasteful number, since it uses less digits than its factorization.

1144404143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136521.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1144404143 is about 33829.0428921659. The cubic root of 1144404143 is about 1045.9874499918.

Adding to 1144404143 its reverse (3414044411), we get a palindrome (4558448554).

The spelling of 1144404143 in words is "one billion, one hundred forty-four million, four hundred four thousand, one hundred forty-three".