445500665 has 8 divisors (see below), whose sum is σ = 534807360. Its totient is φ = 356262832.

The previous prime is 445500661. The next prime is 445500673. The reversal of 445500665 is 566005544.

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

It is a cyclic number.

It is not a de Polignac number, because 445500665 - 2² = 445500661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445500661) 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 7 ways as a sum of consecutive naturals, for example, 1709 + ... + 29898.

It is an arithmetic number, because the mean of its divisors is an integer number (66850920).

Almost surely, 2^445500665 is an apocalyptic number.

It is an amenable number.

445500665 is a deficient number, since it is larger than the sum of its proper divisors (89306695).

445500665 is a wasteful number, since it uses less digits than its factorization.

445500665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34431.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 445500665 is about 21106.8866723636. The cubic root of 445500665 is about 763.7468854648.

The spelling of 445500665 in words is "four hundred forty-five million, five hundred thousand, six hundred sixty-five".