1143200369 has 2 divisors, whose sum is σ = 1143200370. Its totient is φ = 1143200368.

The previous prime is 1143200363. The next prime is 1143200371. The reversal of 1143200369 is 9630023411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060153600 + 83046769 = 32560^2 + 9113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143200369 - 2⁴ = 1143200353 is a prime.

It is a super-2 number, since 2×1143200369² = 2613814167363472322, which contains 22 as substring.

Together with 1143200371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1143200363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571600184 + 571600185.

It is an arithmetic number, because the mean of its divisors is an integer number (571600185).

Almost surely, 2^1143200369 is an apocalyptic number.

It is an amenable number.

1143200369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143200369 is an equidigital number, since it uses as much as digits as its factorization.

1143200369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1143200369 is about 33811.2461911714. The cubic root of 1143200369 is about 1045.6205707889.

The spelling of 1143200369 in words is "one billion, one hundred forty-three million, two hundred thousand, three hundred sixty-nine".