445342255 has 4 divisors (see below), whose sum is σ = 534410712. Its totient is φ = 356273800.

The previous prime is 445342237. The next prime is 445342277. The reversal of 445342255 is 552243544.

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

It is a de Polignac number, because none of the positive numbers 2^k-445342255 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 445342255.

It is a congruent 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, 44534221 + ... + 44534230.

It is an arithmetic number, because the mean of its divisors is an integer number (133602678).

Almost surely, 2^445342255 is an apocalyptic number.

445342255 is a deficient number, since it is larger than the sum of its proper divisors (89068457).

445342255 is an equidigital number, since it uses as much as digits as its factorization.

445342255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89068456.

The product of its digits is 96000, while the sum is 34.

The square root of 445342255 is about 21103.1337720254. The cubic root of 445342255 is about 763.6563510045.

Adding to 445342255 its reverse (552243544), we get a palindrome (997585799).

The spelling of 445342255 in words is "four hundred forty-five million, three hundred forty-two thousand, two hundred fifty-five".