1144433143 has 4 divisors (see below), whose sum is σ = 1307923600. Its totient is φ = 980942688.

The previous prime is 1144433141. The next prime is 1144433153. The reversal of 1144433143 is 3413344411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413344411 = 277 ⋅12322543.

It is a cyclic number.

It is not a de Polignac number, because 1144433143 - 2¹ = 1144433141 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 (1144433141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81745218 + ... + 81745231.

It is an arithmetic number, because the mean of its divisors is an integer number (326980900).

Almost surely, 2^1144433143 is an apocalyptic number.

1144433143 is a deficient number, since it is larger than the sum of its proper divisors (163490457).

1144433143 is an equidigital number, since it uses as much as digits as its factorization.

1144433143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163490456.

The product of its digits is 6912, while the sum is 28.

The square root of 1144433143 is about 33829.4715152336. The cubic root of 1144433143 is about 1045.9962852680.

Adding to 1144433143 its reverse (3413344411), we get a palindrome (4557777554).

The spelling of 1144433143 in words is "one billion, one hundred forty-four million, four hundred thirty-three thousand, one hundred forty-three".