142334443 has 2 divisors, whose sum is σ = 142334444. Its totient is φ = 142334442.

The previous prime is 142334441. The next prime is 142334447. The reversal of 142334443 is 344433241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142334443 - 2¹ = 142334441 is a prime.

Together with 142334441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142334441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71167221 + 71167222.

It is an arithmetic number, because the mean of its divisors is an integer number (71167222).

Almost surely, 2^142334443 is an apocalyptic number.

142334443 is a deficient number, since it is larger than the sum of its proper divisors (1).

142334443 is an equidigital number, since it uses as much as digits as its factorization.

142334443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 28.

The square root of 142334443 is about 11930.3999513847. The cubic root of 142334443 is about 522.1196065280.

Adding to 142334443 its reverse (344433241), we get a palindrome (486767684).

The spelling of 142334443 in words is "one hundred forty-two million, three hundred thirty-four thousand, four hundred forty-three".