84242142 has 24 divisors (see below), whose sum is σ = 186410016. Its totient is φ = 27482976.

The previous prime is 84242141. The next prime is 84242153. The reversal of 84242142 is 24124248.

It is a super-3 number, since 3×84242142³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84242141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48943 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (7767084).

Almost surely, 2^84242142 is an apocalyptic number.

84242142 is an abundant number, since it is smaller than the sum of its proper divisors (102167874).

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

84242142 is a wasteful number, since it uses less digits than its factorization.

84242142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99632 (or 99629 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 84242142 is about 9178.3518128257. The cubic root of 84242142 is about 438.3723299297.

The spelling of 84242142 in words is "eighty-four million, two hundred forty-two thousand, one hundred forty-two".