445404803 has 2 divisors, whose sum is σ = 445404804. Its totient is φ = 445404802.

The previous prime is 445404787. The next prime is 445404863. The reversal of 445404803 is 308404544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445404803 - 2⁴ = 445404787 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445404803.

It is not a weakly prime, because it can be changed into another prime (445404863) 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 as a sum of consecutive naturals, namely, 222702401 + 222702402.

It is an arithmetic number, because the mean of its divisors is an integer number (222702402).

Almost surely, 2^445404803 is an apocalyptic number.

445404803 is a deficient number, since it is larger than the sum of its proper divisors (1).

445404803 is an equidigital number, since it uses as much as digits as its factorization.

445404803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 445404803 is about 21104.6156799881. The cubic root of 445404803 is about 763.6921009929.

The spelling of 445404803 in words is "four hundred forty-five million, four hundred four thousand, eight hundred three".