142212342 has 16 divisors (see below), whose sum is σ = 284951232. Its totient is φ = 47316360.

The previous prime is 142212341. The next prime is 142212347. The reversal of 142212342 is 243212241.

142212342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142212341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18384 + ... + 24947.

It is an arithmetic number, because the mean of its divisors is an integer number (17809452).

Almost surely, 2^142212342 is an apocalyptic number.

142212342 is an abundant number, since it is smaller than the sum of its proper divisors (142738890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142212342 is a wasteful number, since it uses less digits than its factorization.

142212342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43883.

The product of its digits is 768, while the sum is 21.

The square root of 142212342 is about 11925.2816318945. The cubic root of 142212342 is about 521.9702644502.

Adding to 142212342 its reverse (243212241), we get a palindrome (385424583).

It can be divided in two parts, 14 and 2212342, that added together give a triangular number (2212356 = T₂₁₀₃).

The spelling of 142212342 in words is "one hundred forty-two million, two hundred twelve thousand, three hundred forty-two".