142835218 has 8 divisors (see below), whose sum is σ = 214307712. Its totient is φ = 71399316.

The previous prime is 142835183. The next prime is 142835227. The reversal of 142835218 is 812538241.

It is a happy number.

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

It is a super-2 number, since 2×142835218² = 40803799002215048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4971 + ... + 17617.

It is an arithmetic number, because the mean of its divisors is an integer number (26788464).

Almost surely, 2^142835218 is an apocalyptic number.

142835218 is a deficient number, since it is larger than the sum of its proper divisors (71472494).

142835218 is a wasteful number, since it uses less digits than its factorization.

142835218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296.

The product of its digits is 15360, while the sum is 34.

The square root of 142835218 is about 11951.3688755724. The cubic root of 142835218 is about 522.7312139548.

The spelling of 142835218 in words is "one hundred forty-two million, eight hundred thirty-five thousand, two hundred eighteen".