1143413143 has 4 divisors (see below), whose sum is σ = 1143552528. Its totient is φ = 1143273760.

The previous prime is 1143413137. The next prime is 1143413153. The reversal of 1143413143 is 3413143411.

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: 3413143411 = 41231 ⋅82781.

It is a cyclic number.

It is not a de Polignac number, because 1143413143 - 2⁵ = 1143413111 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 (1143413113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56563 + ... + 74068.

It is an arithmetic number, because the mean of its divisors is an integer number (285888132).

Almost surely, 2^1143413143 is an apocalyptic number.

1143413143 is a deficient number, since it is larger than the sum of its proper divisors (139385).

1143413143 is an equidigital number, since it uses as much as digits as its factorization.

1143413143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139384.

The product of its digits is 1728, while the sum is 25.

The square root of 1143413143 is about 33814.3925422297. The cubic root of 1143413143 is about 1045.6854375366.

Adding to 1143413143 its reverse (3413143411), we get a palindrome (4556556554).

The spelling of 1143413143 in words is "one billion, one hundred forty-three million, four hundred thirteen thousand, one hundred forty-three".