142045243 has 2 divisors, whose sum is σ = 142045244. Its totient is φ = 142045242.

The previous prime is 142045229. The next prime is 142045259. The reversal of 142045243 is 342540241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142045243 is a prime.

It is not a weakly prime, because it can be changed into another prime (142045213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022621 + 71022622.

It is an arithmetic number, because the mean of its divisors is an integer number (71022622).

Almost surely, 2^142045243 is an apocalyptic number.

142045243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045243 is an equidigital number, since it uses as much as digits as its factorization.

142045243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142045243 is about 11918.2734907368. The cubic root of 142045243 is about 521.7657465871.

Adding to 142045243 its reverse (342540241), we get a palindrome (484585484).

The spelling of 142045243 in words is "one hundred forty-two million, forty-five thousand, two hundred forty-three".