1144663529 has 2 divisors, whose sum is σ = 1144663530. Its totient is φ = 1144663528.

The previous prime is 1144663463. The next prime is 1144663547. The reversal of 1144663529 is 9253664411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1138927504 + 5736025 = 33748^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144663529 - 2¹² = 1144659433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1144363529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572331764 + 572331765.

It is an arithmetic number, because the mean of its divisors is an integer number (572331765).

Almost surely, 2^1144663529 is an apocalyptic number.

It is an amenable number.

1144663529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144663529 is an equidigital number, since it uses as much as digits as its factorization.

1144663529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 1144663529 is about 33832.8764517592. The cubic root of 1144663529 is about 1046.0664704459.

The spelling of 1144663529 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, five hundred twenty-nine".