142234243 has 2 divisors, whose sum is σ = 142234244. Its totient is φ = 142234242.

The previous prime is 142234217. The next prime is 142234273. The reversal of 142234243 is 342432241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142234243 - 2⁹ = 142233731 is a prime.

It is not a weakly prime, because it can be changed into another prime (142234273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71117121 + 71117122.

It is an arithmetic number, because the mean of its divisors is an integer number (71117122).

Almost surely, 2^142234243 is an apocalyptic number.

142234243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142234243 is an equidigital number, since it uses as much as digits as its factorization.

142234243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 142234243 is about 11926.1998557797. The cubic root of 142234243 is about 521.9970579146.

Adding to 142234243 its reverse (342432241), we get a palindrome (484666484).

The spelling of 142234243 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred forty-three".