450321231 has 16 divisors (see below), whose sum is σ = 619145856. Its totient is φ = 290992416.

The previous prime is 450321229. The next prime is 450321247. The reversal of 450321231 is 132123054.

It is not a de Polignac number, because 450321231 - 2¹ = 450321229 is a prime.

It is a super-2 number, since 2×450321231² = 405578422178710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 450321198 and 450321207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450321281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3865 + ... + 30258.

It is an arithmetic number, because the mean of its divisors is an integer number (38696616).

Almost surely, 2^450321231 is an apocalyptic number.

450321231 is a deficient number, since it is larger than the sum of its proper divisors (168824625).

450321231 is a wasteful number, since it uses less digits than its factorization.

450321231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34262.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 450321231 is about 21220.7735721392. The cubic root of 450321231 is about 766.4917315005.

Adding to 450321231 its reverse (132123054), we get a palindrome (582444285).

The spelling of 450321231 in words is "four hundred fifty million, three hundred twenty-one thousand, two hundred thirty-one".