445947107 has 2 divisors, whose sum is σ = 445947108. Its totient is φ = 445947106.

The previous prime is 445947101. The next prime is 445947137. The reversal of 445947107 is 701749544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445947107 - 2¹² = 445943011 is a prime.

It is not a weakly prime, because it can be changed into another prime (445947101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222973553 + 222973554.

It is an arithmetic number, because the mean of its divisors is an integer number (222973554).

Almost surely, 2^445947107 is an apocalyptic number.

445947107 is a deficient number, since it is larger than the sum of its proper divisors (1).

445947107 is an equidigital number, since it uses as much as digits as its factorization.

445947107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 445947107 is about 21117.4597667428. The cubic root of 445947107 is about 764.0019205154.

The spelling of 445947107 in words is "four hundred forty-five million, nine hundred forty-seven thousand, one hundred seven".