142666622 has 8 divisors (see below), whose sum is σ = 244571376. Its totient is φ = 61142832.

The previous prime is 142666613. The next prime is 142666637. The reversal of 142666622 is 226666241.

142666622 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 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, 5095223 + ... + 5095250.

It is an arithmetic number, because the mean of its divisors is an integer number (30571422).

Almost surely, 2^142666622 is an apocalyptic number.

142666622 is a deficient number, since it is larger than the sum of its proper divisors (101904754).

142666622 is a wasteful number, since it uses less digits than its factorization.

142666622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190482.

The product of its digits is 41472, while the sum is 35.

The square root of 142666622 is about 11944.3133749915. The cubic root of 142666622 is about 522.5254638354.

The spelling of 142666622 in words is "one hundred forty-two million, six hundred sixty-six thousand, six hundred twenty-two".