450102321 has 12 divisors (see below), whose sum is σ = 650542672. Its totient is φ = 299885976.

The previous prime is 450102283. The next prime is 450102383. The reversal of 450102321 is 123201054.

It is not a de Polignac number, because 450102321 - 2¹⁵ = 450069553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450102294 and 450102303.

It is not an unprimeable number, because it can be changed into a prime (450109321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1410 + ... + 30036.

Almost surely, 2^450102321 is an apocalyptic number.

It is an amenable number.

450102321 is a deficient number, since it is larger than the sum of its proper divisors (200440351).

450102321 is a wasteful number, since it uses less digits than its factorization.

450102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30380 (or 30377 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 450102321 is about 21215.6150276159. The cubic root of 450102321 is about 766.3675091382.

Adding to 450102321 its reverse (123201054), we get a palindrome (573303375).

The spelling of 450102321 in words is "four hundred fifty million, one hundred two thousand, three hundred twenty-one".