142633304666 has 4 divisors (see below), whose sum is σ = 213949957002. Its totient is φ = 71316652332.

The previous prime is 142633304663. The next prime is 142633304669. The reversal of 142633304666 is 666403336241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142633304663) and next prime (142633304669).

It can be written as a sum of positive squares in only one way, i.e., 91735688641 + 50897616025 = 302879^2 + 225605^2 .

It is not an unprimeable number, because it can be changed into a prime (142633304663) 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 as a sum of consecutive naturals, namely, 35658326165 + ... + 35658326168.

Almost surely, 2^142633304666 is an apocalyptic number.

142633304666 is a deficient number, since it is larger than the sum of its proper divisors (71316652336).

142633304666 is an equidigital number, since it uses as much as digits as its factorization.

142633304666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71316652335.

The product of its (nonzero) digits is 1119744, while the sum is 44.

The spelling of 142633304666 in words is "one hundred forty-two billion, six hundred thirty-three million, three hundred four thousand, six hundred sixty-six".