1144664603 has 2 divisors, whose sum is σ = 1144664604. Its totient is φ = 1144664602.

The previous prime is 1144664581. The next prime is 1144664611. The reversal of 1144664603 is 3064664411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3064664411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144664603 - 2¹⁶ = 1144599067 is a prime.

It is a super-2 number, since 2×1144664603² = 2620514106722295218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1144664623) 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, 572332301 + 572332302.

It is an arithmetic number, because the mean of its divisors is an integer number (572332302).

Almost surely, 2^1144664603 is an apocalyptic number.

1144664603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144664603 is an equidigital number, since it uses as much as digits as its factorization.

1144664603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1144664603 is about 33832.8923238910. The cubic root of 1144664603 is about 1046.0667976090.

The spelling of 1144664603 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, six hundred three".