142011422 has 8 divisors (see below), whose sum is σ = 243448176. Its totient is φ = 60862032.

The previous prime is 142011349. The next prime is 142011437. The reversal of 142011422 is 224110241.

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 142011422.

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, 5071823 + ... + 5071850.

It is an arithmetic number, because the mean of its divisors is an integer number (30431022).

Almost surely, 2^142011422 is an apocalyptic number.

142011422 is a deficient number, since it is larger than the sum of its proper divisors (101436754).

142011422 is a wasteful number, since it uses less digits than its factorization.

142011422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143682.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142011422 is about 11916.8545346497. The cubic root of 142011422 is about 521.7243324581.

Adding to 142011422 its reverse (224110241), we get a palindrome (366121663).

The spelling of 142011422 in words is "one hundred forty-two million, eleven thousand, four hundred twenty-two".