445945803 has 16 divisors (see below), whose sum is σ = 608549760. Its totient is φ = 290400704.

The previous prime is 445945771. The next prime is 445945837. The reversal of 445945803 is 308549544.

It is a cyclic number.

It is not a de Polignac number, because 445945803 - 2⁵ = 445945771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445945403) 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, 12100 + ... + 32222.

It is an arithmetic number, because the mean of its divisors is an integer number (38034360).

Almost surely, 2^445945803 is an apocalyptic number.

445945803 is a deficient number, since it is larger than the sum of its proper divisors (162603957).

445945803 is a wasteful number, since it uses less digits than its factorization.

445945803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20298.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 445945803 is about 21117.4288917946. The cubic root of 445945803 is about 764.0011758386.

The spelling of 445945803 in words is "four hundred forty-five million, nine hundred forty-five thousand, eight hundred three".