1142043343 has 12 divisors (see below), whose sum is σ = 1329088152. Its totient is φ = 978460560.

The previous prime is 1142043319. The next prime is 1142043347. The reversal of 1142043343 is 3433402411.

It is not a de Polignac number, because 1142043343 - 2⁹ = 1142042831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142043347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159721 + ... + 166717.

It is an arithmetic number, because the mean of its divisors is an integer number (110757346).

Almost surely, 2^1142043343 is an apocalyptic number.

1142043343 is a deficient number, since it is larger than the sum of its proper divisors (187044809).

1142043343 is an equidigital number, since it uses as much as digits as its factorization.

1142043343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342 (or 10335 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1142043343 is about 33794.1317834916. The cubic root of 1142043343 is about 1045.2676963508.

Adding to 1142043343 its reverse (3433402411), we get a palindrome (4575445754).

The spelling of 1142043343 in words is "one billion, one hundred forty-two million, forty-three thousand, three hundred forty-three".