445700443 has 2 divisors, whose sum is σ = 445700444. Its totient is φ = 445700442.

The previous prime is 445700401. The next prime is 445700447. The reversal of 445700443 is 344007544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445700443 - 2²¹ = 443603291 is a prime.

It is not a weakly prime, because it can be changed into another prime (445700447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222850221 + 222850222.

It is an arithmetic number, because the mean of its divisors is an integer number (222850222).

Almost surely, 2^445700443 is an apocalyptic number.

445700443 is a deficient number, since it is larger than the sum of its proper divisors (1).

445700443 is an equidigital number, since it uses as much as digits as its factorization.

445700443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 445700443 is about 21111.6186731383. The cubic root of 445700443 is about 763.8610319637.

Adding to 445700443 its reverse (344007544), we get a palindrome (789707987).

The spelling of 445700443 in words is "four hundred forty-five million, seven hundred thousand, four hundred forty-three".