1444001244541 has 4 divisors (see below), whose sum is σ = 1444026906972. Its totient is φ = 1443975582112.

The previous prime is 1444001244533. The next prime is 1444001244613. The reversal of 1444001244541 is 1454421004441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325303685316 + 1118697559225 = 570354^2 + 1057685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1444001244541 - 2³ = 1444001244533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1444001244497 and 1444001244506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444002244541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12746626 + ... + 12859411.

It is an arithmetic number, because the mean of its divisors is an integer number (361006726743).

Almost surely, 2^{1444001244541} is an apocalyptic number.

It is an amenable number.

1444001244541 is a deficient number, since it is larger than the sum of its proper divisors (25662431).

1444001244541 is an equidigital number, since it uses as much as digits as its factorization.

1444001244541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662430.

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 1444001244541 its reverse (1454421004441), we get a palindrome (2898422248982).

The spelling of 1444001244541 in words is "one trillion, four hundred forty-four billion, one million, two hundred forty-four thousand, five hundred forty-one".