445445604505 has 16 divisors (see below), whose sum is σ = 584122238784. Its totient is φ = 323408524480.

The previous prime is 445445604497. The next prime is 445445604587. The reversal of 445445604505 is 505406544544.

It is not a de Polignac number, because 445445604505 - 2³ = 445445604497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6866362 + ... + 6930931.

It is an arithmetic number, because the mean of its divisors is an integer number (36507639924).

Almost surely, 2^445445604505 is an apocalyptic number.

It is an amenable number.

445445604505 is a deficient number, since it is larger than the sum of its proper divisors (138676634279).

445445604505 is a wasteful number, since it uses less digits than its factorization.

445445604505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13797896.

The product of its (nonzero) digits is 3840000, while the sum is 46.

The spelling of 445445604505 in words is "four hundred forty-five billion, four hundred forty-five million, six hundred four thousand, five hundred five".