142022717 has 8 divisors (see below), whose sum is σ = 143591040. Its totient is φ = 140463360.

The previous prime is 142022693. The next prime is 142022719. The reversal of 142022717 is 717220241.

142022717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142022717 - 2⁶ = 142022653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142022719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32492 + ... + 36602.

It is an arithmetic number, because the mean of its divisors is an integer number (17948880).

Almost surely, 2^142022717 is an apocalyptic number.

It is an amenable number.

142022717 is a deficient number, since it is larger than the sum of its proper divisors (1568323).

142022717 is a wasteful number, since it uses less digits than its factorization.

142022717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4483.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 142022717 is about 11917.3284338395. The cubic root of 142022717 is about 521.7381640219.

Adding to 142022717 its reverse (717220241), we get a palindrome (859242958).

The spelling of 142022717 in words is "one hundred forty-two million, twenty-two thousand, seven hundred seventeen".