1444243020045 has 64 divisors (see below), whose sum is σ = 2694832035840. Its totient is φ = 646819170048.

The previous prime is 1444243020023. The next prime is 1444243020049. The reversal of 1444243020045 is 5400203424441.

It is not a de Polignac number, because 1444243020045 - 2⁶ = 1444243019981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1444243019988 and 1444243020015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444243020049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1417302 + ... + 2212968.

It is an arithmetic number, because the mean of its divisors is an integer number (42106750560).

Almost surely, 2^{1444243020045} is an apocalyptic number.

1444243020045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444243020045 is a deficient number, since it is larger than the sum of its proper divisors (1250589015795).

1444243020045 is a wasteful number, since it uses less digits than its factorization.

1444243020045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796034.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 1444243020045 its reverse (5400203424441), we get a palindrome (6844446444486).

The spelling of 1444243020045 in words is "one trillion, four hundred forty-four billion, two hundred forty-three million, twenty thousand, forty-five".