450391255 has 4 divisors (see below), whose sum is σ = 540469512. Its totient is φ = 360313000.

The previous prime is 450391247. The next prime is 450391259. The reversal of 450391255 is 552193054.

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

It is not a de Polignac number, because 450391255 - 2³ = 450391247 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 450391255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450391259) 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, 45039121 + ... + 45039130.

It is an arithmetic number, because the mean of its divisors is an integer number (135117378).

Almost surely, 2^450391255 is an apocalyptic number.

450391255 is a deficient number, since it is larger than the sum of its proper divisors (90078257).

450391255 is an equidigital number, since it uses as much as digits as its factorization.

450391255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90078256.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 450391255 is about 21222.4234007335. The cubic root of 450391255 is about 766.5314587231.

The spelling of 450391255 in words is "four hundred fifty million, three hundred ninety-one thousand, two hundred fifty-five".