445200163 has 4 divisors (see below), whose sum is σ = 445264560. Its totient is φ = 445135768.

The previous prime is 445200149. The next prime is 445200227. The reversal of 445200163 is 361002544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445200163 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20383 + ... + 36136.

It is an arithmetic number, because the mean of its divisors is an integer number (111316140).

Almost surely, 2^445200163 is an apocalyptic number.

445200163 is a deficient number, since it is larger than the sum of its proper divisors (64397).

445200163 is an equidigital number, since it uses as much as digits as its factorization.

445200163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64396.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 445200163 is about 21099.7668944470. The cubic root of 445200163 is about 763.5751243378.

The spelling of 445200163 in words is "four hundred forty-five million, two hundred thousand, one hundred sixty-three".