142142046439 has 2 divisors, whose sum is σ = 142142046440. Its totient is φ = 142142046438.

The previous prime is 142142046413. The next prime is 142142046451. The reversal of 142142046439 is 934640241241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142142046439 - 2¹⁹ = 142141522151 is a prime.

It is a super-2 number, since 2×142142046439² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142142046139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71071023219 + 71071023220.

It is an arithmetic number, because the mean of its divisors is an integer number (71071023220).

Almost surely, 2^142142046439 is an apocalyptic number.

142142046439 is a deficient number, since it is larger than the sum of its proper divisors (1).

142142046439 is an equidigital number, since it uses as much as digits as its factorization.

142142046439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 142142046439 in words is "one hundred forty-two billion, one hundred forty-two million, forty-six thousand, four hundred thirty-nine".