1444234143545 has 16 divisors (see below), whose sum is σ = 1757748437760. Its totient is φ = 1138987833984.

The previous prime is 1444234143529. The next prime is 1444234143553. The reversal of 1444234143545 is 5453414324441.

It is a cyclic number.

It is not a de Polignac number, because 1444234143545 - 2⁴ = 1444234143529 is a prime.

It is a super-4 number, since 4×1444234143545⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1444234143496 and 1444234143505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2589164 + ... + 3097133.

It is an arithmetic number, because the mean of its divisors is an integer number (109859277360).

Almost surely, 2^{1444234143545} is an apocalyptic number.

It is an amenable number.

1444234143545 is a deficient number, since it is larger than the sum of its proper divisors (313514294215).

1444234143545 is an equidigital number, since it uses as much as digits as its factorization.

1444234143545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687024.

The product of its digits is 1843200, while the sum is 44.

Adding to 1444234143545 its reverse (5453414324441), we get a palindrome (6897648467986).

The spelling of 1444234143545 in words is "one trillion, four hundred forty-four billion, two hundred thirty-four million, one hundred forty-three thousand, five hundred forty-five".