445909105 has 8 divisors (see below), whose sum is σ = 535277952. Its totient is φ = 356602608.

The previous prime is 445909033. The next prime is 445909111. The reversal of 445909105 is 501909544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445909105 - 2⁷ = 445908977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1944 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (66909744).

Almost surely, 2^445909105 is an apocalyptic number.

It is an amenable number.

445909105 is a deficient number, since it is larger than the sum of its proper divisors (89368847).

445909105 is a wasteful number, since it uses less digits than its factorization.

445909105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31175.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 445909105 is about 21116.5599707907. The cubic root of 445909105 is about 763.9802180719.

The spelling of 445909105 in words is "four hundred forty-five million, nine hundred nine thousand, one hundred five".