142498439 has 2 divisors, whose sum is σ = 142498440. Its totient is φ = 142498438.

The previous prime is 142498429. The next prime is 142498457. The reversal of 142498439 is 934894241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142498439 - 2⁸ = 142498183 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142498439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142498429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71249219 + 71249220.

It is an arithmetic number, because the mean of its divisors is an integer number (71249220).

Almost surely, 2^142498439 is an apocalyptic number.

142498439 is a deficient number, since it is larger than the sum of its proper divisors (1).

142498439 is an equidigital number, since it uses as much as digits as its factorization.

142498439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 44.

The square root of 142498439 is about 11937.2710030392. The cubic root of 142498439 is about 522.3200561654.

The spelling of 142498439 in words is "one hundred forty-two million, four hundred ninety-eight thousand, four hundred thirty-nine".