1144262134565 has 48 divisors (see below), whose sum is σ = 1565113069440. Its totient is φ = 795527712000.

The previous prime is 1144262134517. The next prime is 1144262134583. The reversal of 1144262134565 is 5654312624411.

It is a happy number.

It is not a de Polignac number, because 1144262134565 - 2¹⁰ = 1144262133541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16235432 + ... + 16305758.

It is an arithmetic number, because the mean of its divisors is an integer number (32606522280).

Almost surely, 2^{1144262134565} is an apocalyptic number.

It is an amenable number.

1144262134565 is a deficient number, since it is larger than the sum of its proper divisors (420850934875).

1144262134565 is a wasteful number, since it uses less digits than its factorization.

1144262134565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70574 (or 70473 counting only the distinct ones).

The product of its digits is 691200, while the sum is 44.

Adding to 1144262134565 its reverse (5654312624411), we get a palindrome (6798574758976).

The spelling of 1144262134565 in words is "one trillion, one hundred forty-four billion, two hundred sixty-two million, one hundred thirty-four thousand, five hundred sixty-five".