1142314120443 has 4 divisors (see below), whose sum is σ = 1523085493928. Its totient is φ = 761542746960.

The previous prime is 1142314120417. The next prime is 1142314120477. The reversal of 1142314120443 is 3440214132411.

It is a happy number.

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

It is not a de Polignac number, because 1142314120443 - 2⁵ = 1142314120411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142314120443.

It is not an unprimeable number, because it can be changed into a prime (1142314120043) 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, 190385686738 + ... + 190385686743.

It is an arithmetic number, because the mean of its divisors is an integer number (380771373482).

Almost surely, 2^{1142314120443} is an apocalyptic number.

1142314120443 is a deficient number, since it is larger than the sum of its proper divisors (380771373485).

1142314120443 is an equidigital number, since it uses as much as digits as its factorization.

1142314120443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380771373484.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1142314120443 its reverse (3440214132411), we get a palindrome (4582528252854).

The spelling of 1142314120443 in words is "one trillion, one hundred forty-two billion, three hundred fourteen million, one hundred twenty thousand, four hundred forty-three".