142887042 has 24 divisors (see below), whose sum is σ = 309868416. Its totient is φ = 47585976.

The previous prime is 142887001. The next prime is 142887047. The reversal of 142887042 is 240788241.

142887042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142886988 and 142887006.

It is not an unprimeable number, because it can be changed into a prime (142887047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21703 + ... + 27509.

It is an arithmetic number, because the mean of its divisors is an integer number (12911184).

Almost surely, 2^142887042 is an apocalyptic number.

142887042 is an abundant number, since it is smaller than the sum of its proper divisors (166981374).

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

142887042 is a wasteful number, since it uses less digits than its factorization.

142887042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7179 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 142887042 is about 11953.5367987889. The cubic root of 142887042 is about 522.7944260654.

The spelling of 142887042 in words is "one hundred forty-two million, eight hundred eighty-seven thousand, forty-two".