445479859 has 4 divisors (see below), whose sum is σ = 485978040. Its totient is φ = 404981680.

The previous prime is 445479823. The next prime is 445479863. The reversal of 445479859 is 958974544.

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 445479859 - 2⁷ = 445479731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445479899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20249074 + ... + 20249095.

It is an arithmetic number, because the mean of its divisors is an integer number (121494510).

Almost surely, 2^445479859 is an apocalyptic number.

445479859 is a deficient number, since it is larger than the sum of its proper divisors (40498181).

445479859 is a wasteful number, since it uses less digits than its factorization.

445479859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40498180.

The product of its digits is 7257600, while the sum is 55.

The square root of 445479859 is about 21106.3937942984. The cubic root of 445479859 is about 763.7349956471.

The spelling of 445479859 in words is "four hundred forty-five million, four hundred seventy-nine thousand, eight hundred fifty-nine".