445443007 has 4 divisors (see below), whose sum is σ = 451545040. Its totient is φ = 439340976.

The previous prime is 445442957. The next prime is 445443023. The reversal of 445443007 is 700344544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445443007 - 2²⁷ = 311225279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445443007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445443077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050907 + ... + 3051052.

It is an arithmetic number, because the mean of its divisors is an integer number (112886260).

Almost surely, 2^445443007 is an apocalyptic number.

445443007 is a deficient number, since it is larger than the sum of its proper divisors (6102033).

445443007 is an equidigital number, since it uses as much as digits as its factorization.

445443007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102032.

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

The square root of 445443007 is about 21105.5207706420. The cubic root of 445443007 is about 763.7139352574.

The spelling of 445443007 in words is "four hundred forty-five million, four hundred forty-three thousand, seven".