445263103 has 2 divisors, whose sum is σ = 445263104. Its totient is φ = 445263102.

The previous prime is 445263089. The next prime is 445263109. The reversal of 445263103 is 301362544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445263103 - 2¹⁷ = 445132031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445263109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222631551 + 222631552.

It is an arithmetic number, because the mean of its divisors is an integer number (222631552).

Almost surely, 2^445263103 is an apocalyptic number.

445263103 is a deficient number, since it is larger than the sum of its proper divisors (1).

445263103 is an equidigital number, since it uses as much as digits as its factorization.

445263103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 445263103 is about 21101.2583274079. The cubic root of 445263103 is about 763.6111060210.

The spelling of 445263103 in words is "four hundred forty-five million, two hundred sixty-three thousand, one hundred three".