142207338 has 32 divisors (see below), whose sum is σ = 350050176. Its totient is φ = 37505088.

The previous prime is 142207327. The next prime is 142207339. The reversal of 142207338 is 833702241.

142207338 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142207339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129681 + ... + 130772.

It is an arithmetic number, because the mean of its divisors is an integer number (10939068).

Almost surely, 2^142207338 is an apocalyptic number.

142207338 is an abundant number, since it is smaller than the sum of its proper divisors (207842838).

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

142207338 is a wasteful number, since it uses less digits than its factorization.

142207338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260478.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 142207338 is about 11925.0718236831. The cubic root of 142207338 is about 521.9641422206.

Adding to 142207338 its reverse (833702241), we get a palindrome (975909579).

The spelling of 142207338 in words is "one hundred forty-two million, two hundred seven thousand, three hundred thirty-eight".