450441457 has 4 divisors (see below), whose sum is σ = 461427876. Its totient is φ = 439455040.

The previous prime is 450441449. The next prime is 450441461. The reversal of 450441457 is 754144054.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33628401 + 416813056 = 5799^2 + 20416^2 .

It is a cyclic number.

It is not a de Polignac number, because 450441457 - 2³ = 450441449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450441157) 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, 5493148 + ... + 5493229.

It is an arithmetic number, because the mean of its divisors is an integer number (115356969).

Almost surely, 2^450441457 is an apocalyptic number.

It is an amenable number.

450441457 is a deficient number, since it is larger than the sum of its proper divisors (10986419).

450441457 is a wasteful number, since it uses less digits than its factorization.

450441457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986418.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 450441457 is about 21223.6061261983. The cubic root of 450441457 is about 766.5599376527.

The spelling of 450441457 in words is "four hundred fifty million, four hundred forty-one thousand, four hundred fifty-seven".