1143142583 has 8 divisors (see below), whose sum is σ = 1249086720. Its totient is φ = 1037535480.

The previous prime is 1143142579. The next prime is 1143142613. The reversal of 1143142583 is 3852413411.

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 1143142583 - 2² = 1143142579 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 (1143142183) 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, 77135 + ... + 90752.

It is an arithmetic number, because the mean of its divisors is an integer number (156135840).

Almost surely, 2^1143142583 is an apocalyptic number.

1143142583 is a deficient number, since it is larger than the sum of its proper divisors (105944137).

1143142583 is a wasteful number, since it uses less digits than its factorization.

1143142583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168517.

The product of its digits is 11520, while the sum is 32.

The square root of 1143142583 is about 33810.3916422156. The cubic root of 1143142583 is about 1045.6029526325.

Adding to 1143142583 its reverse (3852413411), we get a palindrome (4995555994).

The spelling of 1143142583 in words is "one billion, one hundred forty-three million, one hundred forty-two thousand, five hundred eighty-three".