445745575173503 has 8 divisors (see below), whose sum is σ = 487622406879360. Its totient is φ = 404094494582680.

The previous prime is 445745575173499. The next prime is 445745575173557. The reversal of 445745575173503 is 305371575547544.

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

It is not a de Polignac number, because 445745575173503 - 2² = 445745575173499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445745575173503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445745575373503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56437774625 + ... + 56437782522.

It is an arithmetic number, because the mean of its divisors is an integer number (60952800859920).

Almost surely, 2^{445745575173503} is an apocalyptic number.

445745575173503 is a deficient number, since it is larger than the sum of its proper divisors (41876831705857).

445745575173503 is a wasteful number, since it uses less digits than its factorization.

445745575173503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112875557517.

The product of its (nonzero) digits is 617400000, while the sum is 65.

The spelling of 445745575173503 in words is "four hundred forty-five trillion, seven hundred forty-five billion, five hundred seventy-five million, one hundred seventy-three thousand, five hundred three".