1144310305 has 16 divisors (see below), whose sum is σ = 1394625600. Its totient is φ = 901249600.

The previous prime is 1144310303. The next prime is 1144310351. The reversal of 1144310305 is 5030134411.

It is not a de Polignac number, because 1144310305 - 2¹ = 1144310303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144310303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84066 + ... + 96724.

It is an arithmetic number, because the mean of its divisors is an integer number (87164100).

Almost surely, 2^1144310305 is an apocalyptic number.

It is an amenable number.

1144310305 is a deficient number, since it is larger than the sum of its proper divisors (250315295).

1144310305 is a wasteful number, since it uses less digits than its factorization.

1144310305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12944.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1144310305 is about 33827.6559193805. The cubic root of 1144310305 is about 1045.9588598433.

Adding to 1144310305 its reverse (5030134411), we get a palindrome (6174444716).

The spelling of 1144310305 in words is "one billion, one hundred forty-four million, three hundred ten thousand, three hundred five".