142142346 has 48 divisors (see below), whose sum is σ = 322470720. Its totient is φ = 45165120.

The previous prime is 142142333. The next prime is 142142353. The reversal of 142142346 is 643241241.

It is a happy number.

142142346 is a `hidden beast` number, since 1 + 421 + 4 + 234 + 6 = 666.

142142346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215365 + ... + 216023.

It is an arithmetic number, because the mean of its divisors is an integer number (6718140).

Almost surely, 2^142142346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142142346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161235360).

142142346 is an abundant number, since it is smaller than the sum of its proper divisors (180328374).

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

142142346 is a wasteful number, since it uses less digits than its factorization.

142142346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1208 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 142142346 is about 11922.3464972295. The cubic root of 142142346 is about 521.8846135942.

Adding to 142142346 its reverse (643241241), we get a palindrome (785383587).

The spelling of 142142346 in words is "one hundred forty-two million, one hundred forty-two thousand, three hundred forty-six".