1143164233 has 2 divisors, whose sum is σ = 1143164234. Its totient is φ = 1143164232.

The previous prime is 1143164227. The next prime is 1143164249. The reversal of 1143164233 is 3324613411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850480569 + 292683664 = 29163^2 + 17108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143164233 - 2¹⁷ = 1143033161 is a prime.

It is a super-2 number, since 2×1143164233² = 2613648927220956578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1143164213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571582116 + 571582117.

It is an arithmetic number, because the mean of its divisors is an integer number (571582117).

Almost surely, 2^1143164233 is an apocalyptic number.

It is an amenable number.

1143164233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143164233 is an equidigital number, since it uses as much as digits as its factorization.

1143164233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 1143164233 is about 33810.7118085378. The cubic root of 1143164233 is about 1045.6095534892.

Adding to 1143164233 its reverse (3324613411), we get a palindrome (4467777644).

The spelling of 1143164233 in words is "one billion, one hundred forty-three million, one hundred sixty-four thousand, two hundred thirty-three".