1145330269 has 2 divisors, whose sum is σ = 1145330270. Its totient is φ = 1145330268.

The previous prime is 1145330237. The next prime is 1145330353. The reversal of 1145330269 is 9620335411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821510244 + 323820025 = 28662^2 + 17995^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145330269 - 2⁵ = 1145330237 is a prime.

It is a super-2 number, since 2×1145330269² = 2623562850175224722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145330209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572665134 + 572665135.

It is an arithmetic number, because the mean of its divisors is an integer number (572665135).

Almost surely, 2^1145330269 is an apocalyptic number.

It is an amenable number.

1145330269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145330269 is an equidigital number, since it uses as much as digits as its factorization.

1145330269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1145330269 is about 33842.7284508800. The cubic root of 1145330269 is about 1046.2695341898.

The spelling of 1145330269 in words is "one billion, one hundred forty-five million, three hundred thirty thousand, two hundred sixty-nine".