142051842 has 12 divisors (see below), whose sum is σ = 307779030. Its totient is φ = 47350608.

The previous prime is 142051829. The next prime is 142051939. The reversal of 142051842 is 248150241.

142051842 is a `hidden beast` number, since 142 + 0 + 518 + 4 + 2 = 666.

142051842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 137804121 + 4247721 = 11739^2 + 2061^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3945867 + ... + 3945902.

Almost surely, 2^142051842 is an apocalyptic number.

142051842 is an abundant number, since it is smaller than the sum of its proper divisors (165727188).

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

142051842 is a wasteful number, since it uses less digits than its factorization.

142051842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891777 (or 7891774 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 142051842 is about 11918.5503313113. The cubic root of 142051842 is about 521.7738263575.

The spelling of 142051842 in words is "one hundred forty-two million, fifty-one thousand, eight hundred forty-two".