142943218 has 16 divisors (see below), whose sum is σ = 234093600. Its totient is φ = 64922400.

The previous prime is 142943209. The next prime is 142943231. The reversal of 142943218 is 812349241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45358 + ... + 48406.

It is an arithmetic number, because the mean of its divisors is an integer number (14630850).

Almost surely, 2^142943218 is an apocalyptic number.

142943218 is a deficient number, since it is larger than the sum of its proper divisors (91150382).

142943218 is a wasteful number, since it uses less digits than its factorization.

142943218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193.

The product of its digits is 13824, while the sum is 34.

The square root of 142943218 is about 11955.8863326815. The cubic root of 142943218 is about 522.8629292489.

The spelling of 142943218 in words is "one hundred forty-two million, nine hundred forty-three thousand, two hundred eighteen".