1442220105343 has 4 divisors (see below), whose sum is σ = 1442303821728. Its totient is φ = 1442136388960.

The previous prime is 1442220105299. The next prime is 1442220105383. The reversal of 1442220105343 is 3435010222441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442220105343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442220105383) 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, 41832346 + ... + 41866807.

It is an arithmetic number, because the mean of its divisors is an integer number (360575955432).

Almost surely, 2^{1442220105343} is an apocalyptic number.

1442220105343 is a deficient number, since it is larger than the sum of its proper divisors (83716385).

1442220105343 is an equidigital number, since it uses as much as digits as its factorization.

1442220105343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83716384.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 1442220105343 its reverse (3435010222441), we get a palindrome (4877230327784).

The spelling of 1442220105343 in words is "one trillion, four hundred forty-two billion, two hundred twenty million, one hundred five thousand, three hundred forty-three".