142146942 has 48 divisors (see below), whose sum is σ = 348128640. Its totient is φ = 38474352.

The previous prime is 142146931. The next prime is 142146947. The reversal of 142146942 is 249641241.

142146942 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 (142146947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7138 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (7252680).

Almost surely, 2^142146942 is an apocalyptic number.

142146942 is an abundant number, since it is smaller than the sum of its proper divisors (205981698).

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

142146942 is a wasteful number, since it uses less digits than its factorization.

142146942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25485 (or 25478 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 142146942 is about 11922.5392429633. The cubic root of 142146942 is about 521.8902383684.

The spelling of 142146942 in words is "one hundred forty-two million, one hundred forty-six thousand, nine hundred forty-two".