445205499 has 4 divisors (see below), whose sum is σ = 593607336. Its totient is φ = 296803664.

The previous prime is 445205483. The next prime is 445205533. The reversal of 445205499 is 994502544.

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 445205499 - 2⁴ = 445205483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445205499.

It is not an unprimeable number, because it can be changed into a prime (445205099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74200914 + ... + 74200919.

It is an arithmetic number, because the mean of its divisors is an integer number (148401834).

Almost surely, 2^445205499 is an apocalyptic number.

445205499 is a deficient number, since it is larger than the sum of its proper divisors (148401837).

445205499 is a wasteful number, since it uses less digits than its factorization.

445205499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148401836.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 445205499 is about 21099.8933409627. The cubic root of 445205499 is about 763.5781749660.

The spelling of 445205499 in words is "four hundred forty-five million, two hundred five thousand, four hundred ninety-nine".