142230434239 has 4 divisors (see below), whose sum is σ = 142234615080. Its totient is φ = 142226253400.

The previous prime is 142230434237. The next prime is 142230434279. The reversal of 142230434239 is 932434032241.

142230434239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932434032241 = 761 ⋅1225274681.

It is a cyclic number.

It is not a de Polignac number, because 142230434239 - 2¹ = 142230434237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142230434198 and 142230434207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230434237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038969 + ... + 2107570.

It is an arithmetic number, because the mean of its divisors is an integer number (35558653770).

Almost surely, 2^142230434239 is an apocalyptic number.

142230434239 is a deficient number, since it is larger than the sum of its proper divisors (4180841).

142230434239 is an equidigital number, since it uses as much as digits as its factorization.

142230434239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180840.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 142230434239 in words is "one hundred forty-two billion, two hundred thirty million, four hundred thirty-four thousand, two hundred thirty-nine".