1143302297 has 2 divisors, whose sum is σ = 1143302298. Its totient is φ = 1143302296.

The previous prime is 1143302263. The next prime is 1143302311. The reversal of 1143302297 is 7922033411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995339401 + 147962896 = 31549^2 + 12164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143302297 - 2¹² = 1143298201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143202297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571651148 + 571651149.

It is an arithmetic number, because the mean of its divisors is an integer number (571651149).

Almost surely, 2^1143302297 is an apocalyptic number.

It is an amenable number.

1143302297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143302297 is an equidigital number, since it uses as much as digits as its factorization.

1143302297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1143302297 is about 33812.7534667025. The cubic root of 1143302297 is about 1045.6516457865.

The spelling of 1143302297 in words is "one billion, one hundred forty-three million, three hundred two thousand, two hundred ninety-seven".