450245331 has 32 divisors (see below), whose sum is σ = 680581440. Its totient is φ = 294105600.

The previous prime is 450245317. The next prime is 450245351. The reversal of 450245331 is 133542054.

It is not a de Polignac number, because 450245331 - 2¹⁸ = 449983187 is a prime.

It is a super-2 number, since 2×450245331² = 405441716174599122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 450245295 and 450245304.

It is not an unprimeable number, because it can be changed into a prime (450245311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758971 + ... + 759563.

It is an arithmetic number, because the mean of its divisors is an integer number (21268170).

Almost surely, 2^450245331 is an apocalyptic number.

450245331 is a deficient number, since it is larger than the sum of its proper divisors (230336109).

450245331 is a wasteful number, since it uses less digits than its factorization.

450245331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 450245331 is about 21218.9851548089. The cubic root of 450245331 is about 766.4486659530.

Adding to 450245331 its reverse (133542054), we get a palindrome (583787385).

The spelling of 450245331 in words is "four hundred fifty million, two hundred forty-five thousand, three hundred thirty-one".