1440444143243 has 8 divisors (see below), whose sum is σ = 1654840842240. Its totient is φ = 1228202185320.

The previous prime is 1440444143227. The next prime is 1440444143261. The reversal of 1440444143243 is 3423414440441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1440444143243 - 2⁴ = 1440444143227 is a prime.

It is a super-3 number, since 3×1440444143243³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440444143197 and 1440444143206.

It is not an unprimeable number, because it can be changed into a prime (1440444140243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538683833 + ... + 538686506.

It is an arithmetic number, because the mean of its divisors is an integer number (206855105280).

Almost surely, 2^{1440444143243} is an apocalyptic number.

1440444143243 is a deficient number, since it is larger than the sum of its proper divisors (214396698997).

1440444143243 is a wasteful number, since it uses less digits than its factorization.

1440444143243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077370537.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 1440444143243 its reverse (3423414440441), we get a palindrome (4863858583684).

The spelling of 1440444143243 in words is "one trillion, four hundred forty billion, four hundred forty-four million, one hundred forty-three thousand, two hundred forty-three".