445498803 has 12 divisors (see below), whose sum is σ = 645532368. Its totient is φ = 296060400.

The previous prime is 445498789. The next prime is 445498829. The reversal of 445498803 is 308894544.

It is a happy number.

It is not a de Polignac number, because 445498803 - 2¹⁰ = 445497779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445498843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75223 + ... + 80928.

It is an arithmetic number, because the mean of its divisors is an integer number (53794364).

Almost surely, 2^445498803 is an apocalyptic number.

445498803 is a deficient number, since it is larger than the sum of its proper divisors (200033565).

445498803 is a wasteful number, since it uses less digits than its factorization.

445498803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156474 (or 156471 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 445498803 is about 21106.8425634911. The cubic root of 445498803 is about 763.7458214195.

The spelling of 445498803 in words is "four hundred forty-five million, four hundred ninety-eight thousand, eight hundred three".