1444553422245 has 24 divisors (see below), whose sum is σ = 2571565374456. Its totient is φ = 749606099328.

The previous prime is 1444553422237. The next prime is 1444553422267. The reversal of 1444553422245 is 5422243554441.

1444553422245 is a `hidden beast` number, since 1 + 44 + 45 + 5 + 342 + 224 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 718347782916 + 726205639329 = 847554^2 + 852177^2 .

It is not a de Polignac number, because 1444553422245 - 2³ = 1444553422237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1444553422245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433798162 + ... + 433801491.

It is an arithmetic number, because the mean of its divisors is an integer number (107148557269).

Almost surely, 2^{1444553422245} is an apocalyptic number.

1444553422245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444553422245 is a deficient number, since it is larger than the sum of its proper divisors (1127011952211).

1444553422245 is a wasteful number, since it uses less digits than its factorization.

1444553422245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867599701 (or 867599698 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 45.

Adding to 1444553422245 its reverse (5422243554441), we get a palindrome (6866796976686).

The spelling of 1444553422245 in words is "one trillion, four hundred forty-four billion, five hundred fifty-three million, four hundred twenty-two thousand, two hundred forty-five".