1444413543453 has 12 divisors (see below), whose sum is σ = 2089778674620. Its totient is φ = 961371490176.

The previous prime is 1444413543451. The next prime is 1444413543467. The reversal of 1444413543453 is 3543453144441.

1444413543453 is a `hidden beast` number, since 1 + 4 + 4 + 44 + 13 + 543 + 4 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 485381136249 + 959032407204 = 696693^2 + 979302^2 .

It is not a de Polignac number, because 1444413543453 - 2¹ = 1444413543451 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1444413543399 and 1444413543408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444413543451) 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 11 ways as a sum of consecutive naturals, for example, 130900188 + ... + 130911221.

It is an arithmetic number, because the mean of its divisors is an integer number (174148222885).

Almost surely, 2^{1444413543453} is an apocalyptic number.

It is an amenable number.

1444413543453 is a deficient number, since it is larger than the sum of its proper divisors (645365131167).

1444413543453 is a wasteful number, since it uses less digits than its factorization.

1444413543453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261812028 (or 261812025 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

Adding to 1444413543453 its reverse (3543453144441), we get a palindrome (4987866687894).

The spelling of 1444413543453 in words is "one trillion, four hundred forty-four billion, four hundred thirteen million, five hundred forty-three thousand, four hundred fifty-three".