445143134342666 has 8 divisors (see below), whose sum is σ = 667714836010404. Its totient is φ = 222571522339200.

The previous prime is 445143134342659. The next prime is 445143134342717. The reversal of 445143134342666 is 666243431341544.

It can be written as a sum of positive squares in 2 ways, for example, as 394901193038641 + 50241941304025 = 19872121^2 + 7088155^2 .

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

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, 8202065 + ... + 30944468.

Almost surely, 2^{445143134342666} is an apocalyptic number.

445143134342666 is a deficient number, since it is larger than the sum of its proper divisors (222571701667738).

445143134342666 is a wasteful number, since it uses less digits than its factorization.

445143134342666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44832136.

The product of its digits is 59719680, while the sum is 56.

The spelling of 445143134342666 in words is "four hundred forty-five trillion, one hundred forty-three billion, one hundred thirty-four million, three hundred forty-two thousand, six hundred sixty-six".