1144500013 has 8 divisors (see below), whose sum is σ = 1155991832. Its totient is φ = 1133061696.

The previous prime is 1144499999. The next prime is 1144500023. The reversal of 1144500013 is 3100054411.

It can be written as a sum of positive squares in 4 ways, for example, as 36808489 + 1107691524 = 6067^2 + 33282^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144500013 - 2⁵ = 1144499981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144500023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30331 + ... + 56647.

It is an arithmetic number, because the mean of its divisors is an integer number (144498979).

Almost surely, 2^1144500013 is an apocalyptic number.

It is an amenable number.

1144500013 is a deficient number, since it is larger than the sum of its proper divisors (11491819).

1144500013 is a wasteful number, since it uses less digits than its factorization.

1144500013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26751.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1144500013 is about 33830.4598402091. The cubic root of 1144500013 is about 1046.0166576272.

Adding to 1144500013 its reverse (3100054411), we get a palindrome (4244554424).

The spelling of 1144500013 in words is "one billion, one hundred forty-four million, five hundred thousand, thirteen".