142042142 has 12 divisors (see below), whose sum is σ = 234193848. Its totient is φ = 64564500.

The previous prime is 142042141. The next prime is 142042177. The reversal of 142042142 is 241240241.

142042142 is digitally balanced in base 2, 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 (142042141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293234 + ... + 293717.

It is an arithmetic number, because the mean of its divisors is an integer number (19516154).

Almost surely, 2^142042142 is an apocalyptic number.

142042142 is a deficient number, since it is larger than the sum of its proper divisors (92151706).

142042142 is a wasteful number, since it uses less digits than its factorization.

142042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586975 (or 586964 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142042142 is about 11918.1433956804. The cubic root of 142042142 is about 521.7619496575.

Adding to 142042142 its reverse (241240241), we get a palindrome (383282383).

The spelling of 142042142 in words is "one hundred forty-two million, forty-two thousand, one hundred forty-two".