1145652289 has 2 divisors, whose sum is σ = 1145652290. Its totient is φ = 1145652288.

The previous prime is 1145652281. The next prime is 1145652331. The reversal of 1145652289 is 9822565411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094286400 + 51365889 = 33080^2 + 7167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145652289 - 2³ = 1145652281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145652281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572826144 + 572826145.

It is an arithmetic number, because the mean of its divisors is an integer number (572826145).

Almost surely, 2^1145652289 is an apocalyptic number.

It is an amenable number.

1145652289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145652289 is an equidigital number, since it uses as much as digits as its factorization.

1145652289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 1145652289 is about 33847.4857116448. The cubic root of 1145652289 is about 1046.3675810599.

The spelling of 1145652289 in words is "one billion, one hundred forty-five million, six hundred fifty-two thousand, two hundred eighty-nine".