445275799 has 2 divisors, whose sum is σ = 445275800. Its totient is φ = 445275798.

The previous prime is 445275767. The next prime is 445275839. The reversal of 445275799 is 997572544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445275799 - 2⁵ = 445275767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445279799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222637899 + 222637900.

It is an arithmetic number, because the mean of its divisors is an integer number (222637900).

Almost surely, 2^445275799 is an apocalyptic number.

445275799 is a deficient number, since it is larger than the sum of its proper divisors (1).

445275799 is an equidigital number, since it uses as much as digits as its factorization.

445275799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 52.

The square root of 445275799 is about 21101.5591604033. The cubic root of 445275799 is about 763.6183636884.

The spelling of 445275799 in words is "four hundred forty-five million, two hundred seventy-five thousand, seven hundred ninety-nine".