1143541283 has 2 divisors, whose sum is σ = 1143541284. Its totient is φ = 1143541282.

The previous prime is 1143541279. The next prime is 1143541339. The reversal of 1143541283 is 3821453411.

It is a weak prime.

It is an emirp because it is prime and its reverse (3821453411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143541283 - 2² = 1143541279 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143541213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571770641 + 571770642.

It is an arithmetic number, because the mean of its divisors is an integer number (571770642).

Almost surely, 2^1143541283 is an apocalyptic number.

1143541283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143541283 is an equidigital number, since it uses as much as digits as its factorization.

1143541283 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1143541283 is about 33816.2872444625. The cubic root of 1143541283 is about 1045.7244986953.

Adding to 1143541283 its reverse (3821453411), we get a palindrome (4964994694).

The spelling of 1143541283 in words is "one billion, one hundred forty-three million, five hundred forty-one thousand, two hundred eighty-three".