445041505 has 8 divisors (see below), whose sum is σ = 534218472. Its totient is φ = 355920768.

The previous prime is 445041481. The next prime is 445041517. The reversal of 445041505 is 505140544.

It can be written as a sum of positive squares in 4 ways, for example, as 12027024 + 433014481 = 3468^2 + 20809^2 .

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 445041505 - 2²³ = 436652897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5949 + ... + 30421.

It is an arithmetic number, because the mean of its divisors is an integer number (66777309).

Almost surely, 2^445041505 is an apocalyptic number.

It is an amenable number.

445041505 is a deficient number, since it is larger than the sum of its proper divisors (89176967).

445041505 is a wasteful number, since it uses less digits than its factorization.

445041505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28115.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 445041505 is about 21096.0068496386. The cubic root of 445041505 is about 763.4844073178.

The spelling of 445041505 in words is "four hundred forty-five million, forty-one thousand, five hundred five".