1144303409 has 2 divisors, whose sum is σ = 1144303410. Its totient is φ = 1144303408.

The previous prime is 1144303393. The next prime is 1144303417. The reversal of 1144303409 is 9043034411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963481600 + 180821809 = 31040^2 + 13447^2 .

It is an emirp because it is prime and its reverse (9043034411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1144303409 - 2⁴ = 1144303393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144303469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572151704 + 572151705.

It is an arithmetic number, because the mean of its divisors is an integer number (572151705).

Almost surely, 2^1144303409 is an apocalyptic number.

It is an amenable number.

1144303409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144303409 is an equidigital number, since it uses as much as digits as its factorization.

1144303409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1144303409 is about 33827.5539907928. The cubic root of 1144303409 is about 1045.9567587388.

The spelling of 1144303409 in words is "one billion, one hundred forty-four million, three hundred three thousand, four hundred nine".