142141218 has 8 divisors (see below), whose sum is σ = 284282448. Its totient is φ = 47380404.

The previous prime is 142141189. The next prime is 142141229. The reversal of 142141218 is 812141241.

It is a sphenic number, since it is the product of 3 distinct primes.

142141218 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11845096 + ... + 11845107.

It is an arithmetic number, because the mean of its divisors is an integer number (35535306).

Almost surely, 2^142141218 is an apocalyptic number.

142141218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142141218 is a wasteful number, since it uses less digits than its factorization.

142141218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23690208.

The product of its digits is 512, while the sum is 24.

The square root of 142141218 is about 11922.2991910118. The cubic root of 142141218 is about 521.8832330827.

Adding to 142141218 its reverse (812141241), we get a palindrome (954282459).

The spelling of 142141218 in words is "one hundred forty-two million, one hundred forty-one thousand, two hundred eighteen".