1143345283 has 2 divisors, whose sum is σ = 1143345284. Its totient is φ = 1143345282.

The previous prime is 1143345277. The next prime is 1143345331. The reversal of 1143345283 is 3825433411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3825433411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143345283 - 2⁹ = 1143344771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143345233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571672641 + 571672642.

It is an arithmetic number, because the mean of its divisors is an integer number (571672642).

Almost surely, 2^1143345283 is an apocalyptic number.

1143345283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143345283 is an equidigital number, since it uses as much as digits as its factorization.

1143345283 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 34.

The square root of 1143345283 is about 33813.3891084582. The cubic root of 1143345283 is about 1045.6647504624.

Adding to 1143345283 its reverse (3825433411), we get a palindrome (4968778694).

The spelling of 1143345283 in words is "one billion, one hundred forty-three million, three hundred forty-five thousand, two hundred eighty-three".