1144244163104 has 72 divisors (see below), whose sum is σ = 2622170105100. Its totient is φ = 490082213376.

The previous prime is 1144244163079. The next prime is 1144244163113. The reversal of 1144244163104 is 4013614424411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 980202962704 + 164041200400 = 990052^2 + 405020^2 .

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 11 ways as a sum of consecutive naturals, for example, 2275622 + ... + 2732570.

Almost surely, 2^{1144244163104} is an apocalyptic number.

1144244163104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144244163104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311085052550).

1144244163104 is an abundant number, since it is smaller than the sum of its proper divisors (1477925941996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144244163104 is a wasteful number, since it uses less digits than its factorization.

1144244163104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458570 (or 458555 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 1144244163104 its reverse (4013614424411), we get a palindrome (5157858587515).

The spelling of 1144244163104 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, one hundred sixty-three thousand, one hundred four".