142236043 has 2 divisors, whose sum is σ = 142236044. Its totient is φ = 142236042.

The previous prime is 142236023. The next prime is 142236049. The reversal of 142236043 is 340632241.

142236043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (340632241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142236043 - 2⁹ = 142235531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142235999 and 142236017.

It is not a weakly prime, because it can be changed into another prime (142236049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71118021 + 71118022.

It is an arithmetic number, because the mean of its divisors is an integer number (71118022).

Almost surely, 2^142236043 is an apocalyptic number.

142236043 is a deficient number, since it is larger than the sum of its proper divisors (1).

142236043 is an equidigital number, since it uses as much as digits as its factorization.

142236043 is an evil number, because the sum of its binary digits is even.

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

The square root of 142236043 is about 11926.2753196461. The cubic root of 142236043 is about 521.9992598943. Note that the first 3 decimals are identical.

Adding to 142236043 its reverse (340632241), we get a palindrome (482868284).

The spelling of 142236043 in words is "one hundred forty-two million, two hundred thirty-six thousand, forty-three".