142429218 has 8 divisors (see below), whose sum is σ = 284858448. Its totient is φ = 47476404.

The previous prime is 142429141. The next prime is 142429219. The reversal of 142429218 is 812924241.

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

142429218 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (142429219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11869096 + ... + 11869107.

It is an arithmetic number, because the mean of its divisors is an integer number (35607306).

Almost surely, 2^142429218 is an apocalyptic number.

142429218 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.

142429218 is a wasteful number, since it uses less digits than its factorization.

142429218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23738208.

The product of its digits is 9216, while the sum is 33.

The square root of 142429218 is about 11934.3712863309. The cubic root of 142429218 is about 522.2354672328.

The spelling of 142429218 in words is "one hundred forty-two million, four hundred twenty-nine thousand, two hundred eighteen".