142548940666 has 8 divisors (see below), whose sum is σ = 233261902944. Its totient is φ = 64794973020.

The previous prime is 142548940631. The next prime is 142548940669. The reversal of 142548940666 is 666049845241.

It is a happy number.

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 (142548940669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3239748630 + ... + 3239748673.

It is an arithmetic number, because the mean of its divisors is an integer number (29157737868).

Almost surely, 2^142548940666 is an apocalyptic number.

142548940666 is a deficient number, since it is larger than the sum of its proper divisors (90712962278).

142548940666 is a wasteful number, since it uses less digits than its factorization.

142548940666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479497316.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 142548940666 in words is "one hundred forty-two billion, five hundred forty-eight million, nine hundred forty thousand, six hundred sixty-six".