445406105 has 4 divisors (see below), whose sum is σ = 534487332. Its totient is φ = 356324880.

The previous prime is 445406081. The next prime is 445406123. The reversal of 445406105 is 501604544.

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

It can be written as a sum of positive squares in 2 ways, for example, as 247244176 + 198161929 = 15724^2 + 14077^2 .

It is not a de Polignac number, because 445406105 - 2²⁸ = 176970649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44540606 + ... + 44540615.

It is an arithmetic number, because the mean of its divisors is an integer number (133621833).

Almost surely, 2^445406105 is an apocalyptic number.

It is an amenable number.

445406105 is a deficient number, since it is larger than the sum of its proper divisors (89081227).

445406105 is an equidigital number, since it uses as much as digits as its factorization.

445406105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89081226.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 445406105 is about 21104.6465262984. The cubic root of 445406105 is about 763.6928451296.

The spelling of 445406105 in words is "four hundred forty-five million, four hundred six thousand, one hundred five".