1144305497 has 2 divisors, whose sum is σ = 1144305498. Its totient is φ = 1144305496.

The previous prime is 1144305493. The next prime is 1144305523. The reversal of 1144305497 is 7945034411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 666620761 + 477684736 = 25819^2 + 21856^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144305497 - 2² = 1144305493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144305497.

It is not a weakly prime, because it can be changed into another prime (1144305493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572152748 + 572152749.

It is an arithmetic number, because the mean of its divisors is an integer number (572152749).

Almost surely, 2^1144305497 is an apocalyptic number.

It is an amenable number.

1144305497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144305497 is an equidigital number, since it uses as much as digits as its factorization.

1144305497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1144305497 is about 33827.5848531934. The cubic root of 1144305497 is about 1045.9573949210.

The spelling of 1144305497 in words is "one billion, one hundred forty-four million, three hundred five thousand, four hundred ninety-seven".