445045457805 has 16 divisors (see below), whose sum is σ = 766847558400. Its totient is φ = 219099302208.

The previous prime is 445045457711. The next prime is 445045457807. The reversal of 445045457805 is 508754540544.

It is not a de Polignac number, because 445045457805 - 2²⁴ = 445028680589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445045457807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141142005 + ... + 1141142394.

It is an arithmetic number, because the mean of its divisors is an integer number (47927972400).

Almost surely, 2^445045457805 is an apocalyptic number.

It is an amenable number.

445045457805 is a deficient number, since it is larger than the sum of its proper divisors (321802100595).

445045457805 is a wasteful number, since it uses less digits than its factorization.

445045457805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282284420.

The product of its (nonzero) digits is 8960000, while the sum is 51.

The spelling of 445045457805 in words is "four hundred forty-five billion, forty-five million, four hundred fifty-seven thousand, eight hundred five".