142002422 has 8 divisors (see below), whose sum is σ = 213068856. Its totient is φ = 70979472.

The previous prime is 142002407. The next prime is 142002431. The reversal of 142002422 is 224200241.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142002422.

It is a congruent number.

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, 863 + ... + 16874.

It is an arithmetic number, because the mean of its divisors is an integer number (26633607).

Almost surely, 2^142002422 is an apocalyptic number.

142002422 is a deficient number, since it is larger than the sum of its proper divisors (71066434).

142002422 is a wasteful number, since it uses less digits than its factorization.

142002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21742.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142002422 is about 11916.4769122421. The cubic root of 142002422 is about 521.7133107667.

Adding to 142002422 its reverse (224200241), we get a palindrome (366202663).

The spelling of 142002422 in words is "one hundred forty-two million, two thousand, four hundred twenty-two".