1144500305 has 16 divisors (see below), whose sum is σ = 1479974160. Its totient is φ = 844639488.

The previous prime is 1144500293. The next prime is 1144500311. The reversal of 1144500305 is 5030054411.

It can be written as a sum of positive squares in 8 ways, for example, as 169624576 + 974875729 = 13024^2 + 31223^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144500305 - 2⁶ = 1144500241 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 121091 + ... + 130199.

It is an arithmetic number, because the mean of its divisors is an integer number (92498385).

Almost surely, 2^1144500305 is an apocalyptic number.

It is an amenable number.

1144500305 is a deficient number, since it is larger than the sum of its proper divisors (335473855).

1144500305 is a wasteful number, since it uses less digits than its factorization.

1144500305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1144500305 is about 33830.4641558463. The cubic root of 1144500305 is about 1046.0167465851.

Adding to 1144500305 its reverse (5030054411), we get a palindrome (6174554716).

The spelling of 1144500305 in words is "one billion, one hundred forty-four million, five hundred thousand, three hundred five".