445425803 has 4 divisors (see below), whose sum is σ = 445476480. Its totient is φ = 445375128.

The previous prime is 445425791. The next prime is 445425811. The reversal of 445425803 is 308524544.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 445425803 - 2⁴ = 445425787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445425403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8363 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (111369120).

Almost surely, 2^445425803 is an apocalyptic number.

445425803 is a deficient number, since it is larger than the sum of its proper divisors (50677).

445425803 is a wasteful number, since it uses less digits than its factorization.

445425803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 445425803 is about 21105.1131956216. The cubic root of 445425803 is about 763.7041030204.

The spelling of 445425803 in words is "four hundred forty-five million, four hundred twenty-five thousand, eight hundred three".