450454321 has 8 divisors (see below), whose sum is σ = 485036640. Its totient is φ = 416770368.

The previous prime is 450454313. The next prime is 450454327. The reversal of 450454321 is 123454054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450454321 - 2³ = 450454313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450454321.

It is not an unprimeable number, because it can be changed into a prime (450454327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223551 + ... + 225556.

It is an arithmetic number, because the mean of its divisors is an integer number (60629580).

Almost surely, 2^450454321 is an apocalyptic number.

It is an amenable number.

450454321 is a deficient number, since it is larger than the sum of its proper divisors (34582319).

450454321 is a wasteful number, since it uses less digits than its factorization.

450454321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449183.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 450454321 is about 21223.9091828061. The cubic root of 450454321 is about 766.5672348890.

It can be divided in two parts, 450454 and 321, that added together give a triangular number (450775 = T₉₄₉).

The spelling of 450454321 in words is "four hundred fifty million, four hundred fifty-four thousand, three hundred twenty-one".