450505254 has 16 divisors (see below), whose sum is σ = 903596400. Its totient is φ = 149737440.

The previous prime is 450505249. The next prime is 450505271. The reversal of 450505254 is 452505054.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105477 + ... + 109664.

It is an arithmetic number, because the mean of its divisors is an integer number (56474775).

Almost surely, 2^450505254 is an apocalyptic number.

450505254 is an abundant number, since it is smaller than the sum of its proper divisors (453091146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450505254 is a wasteful number, since it uses less digits than its factorization.

450505254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215495.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 450505254 is about 21225.1090456563. The cubic root of 450505254 is about 766.5961257929.

The spelling of 450505254 in words is "four hundred fifty million, five hundred five thousand, two hundred fifty-four".