142265866 has 8 divisors (see below), whose sum is σ = 215470944. Its totient is φ = 70442220.

The previous prime is 142265821. The next prime is 142265867. The reversal of 142265866 is 668562241.

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

It is not an unprimeable number, because it can be changed into a prime (142265867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345100 + ... + 345511.

It is an arithmetic number, because the mean of its divisors is an integer number (26933868).

Almost surely, 2^142265866 is an apocalyptic number.

142265866 is a deficient number, since it is larger than the sum of its proper divisors (73205078).

142265866 is a wasteful number, since it uses less digits than its factorization.

142265866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690716.

The product of its digits is 138240, while the sum is 40.

The square root of 142265866 is about 11927.5255606517. The cubic root of 142265866 is about 522.0357403243.

The spelling of 142265866 in words is "one hundred forty-two million, two hundred sixty-five thousand, eight hundred sixty-six".