1143333143 has 4 divisors (see below), whose sum is σ = 1143442440. Its totient is φ = 1143223848.

The previous prime is 1143333131. The next prime is 1143333179. The reversal of 1143333143 is 3413333411.

It is a semiprime because it is the product of two primes, 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 1143333143 - 2⁸ = 1143332887 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 (1143333943) 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, 37073 + ... + 60506.

It is an arithmetic number, because the mean of its divisors is an integer number (285860610).

Almost surely, 2^1143333143 is an apocalyptic number.

1143333143 is a deficient number, since it is larger than the sum of its proper divisors (109297).

1143333143 is an equidigital number, since it uses as much as digits as its factorization.

1143333143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109296.

The product of its digits is 3888, while the sum is 26.

The square root of 1143333143 is about 33813.2095932936. The cubic root of 1143333143 is about 1045.6610495055.

Adding to 1143333143 its reverse (3413333411), we get a palindrome (4556666554).

The spelling of 1143333143 in words is "one billion, one hundred forty-three million, three hundred thirty-three thousand, one hundred forty-three".