445840063 has 2 divisors, whose sum is σ = 445840064. Its totient is φ = 445840062.

The previous prime is 445840051. The next prime is 445840097. The reversal of 445840063 is 360048544.

It is an a-pointer prime, because the next prime (445840097) can be obtained adding 445840063 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445840063 - 2²⁵ = 412285631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445840163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222920031 + 222920032.

It is an arithmetic number, because the mean of its divisors is an integer number (222920032).

Almost surely, 2^445840063 is an apocalyptic number.

445840063 is a deficient number, since it is larger than the sum of its proper divisors (1).

445840063 is an equidigital number, since it uses as much as digits as its factorization.

445840063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 445840063 is about 21114.9251241864. The cubic root of 445840063 is about 763.9407859364.

It can be divided in two parts, 4458 and 40063, that added together give a square (44521 = 211²).

The spelling of 445840063 in words is "four hundred forty-five million, eight hundred forty thousand, sixty-three".