450320545 has 8 divisors (see below), whose sum is σ = 541670760. Its totient is φ = 359399040.

The previous prime is 450320543. The next prime is 450320561. The reversal of 450320545 is 545023054.

It can be written as a sum of positive squares in 4 ways, for example, as 4941729 + 445378816 = 2223^2 + 21104^2 .

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

It is not a de Polignac number, because 450320545 - 2¹ = 450320543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (450320543) 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, 104860 + ... + 109069.

It is an arithmetic number, because the mean of its divisors is an integer number (67708845).

Almost surely, 2^450320545 is an apocalyptic number.

It is an amenable number.

450320545 is a deficient number, since it is larger than the sum of its proper divisors (91350215).

450320545 is a wasteful number, since it uses less digits than its factorization.

450320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214355.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 450320545 is about 21220.7574087260. The cubic root of 450320545 is about 766.4913422868.

Adding to 450320545 its reverse (545023054), we get a palindrome (995343599).

The spelling of 450320545 in words is "four hundred fifty million, three hundred twenty thousand, five hundred forty-five".