445056907 has 2 divisors, whose sum is σ = 445056908. Its totient is φ = 445056906.

The previous prime is 445056901. The next prime is 445056961. The reversal of 445056907 is 709650544.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445056907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445056907.

It is not a weakly prime, because it can be changed into another prime (445056901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222528453 + 222528454.

It is an arithmetic number, because the mean of its divisors is an integer number (222528454).

Almost surely, 2^445056907 is an apocalyptic number.

445056907 is a deficient number, since it is larger than the sum of its proper divisors (1).

445056907 is an equidigital number, since it uses as much as digits as its factorization.

445056907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 445056907 is about 21096.3718918680. The cubic root of 445056907 is about 763.4932147744.

The spelling of 445056907 in words is "four hundred forty-five million, fifty-six thousand, nine hundred seven".