450344231 has 2 divisors, whose sum is σ = 450344232. Its totient is φ = 450344230.

The previous prime is 450344207. The next prime is 450344249. The reversal of 450344231 is 132443054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450344231 - 2¹⁰ = 450343207 is a prime.

It is a super-2 number, since 2×450344231² = 405619852789962722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 450344231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450344201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225172115 + 225172116.

It is an arithmetic number, because the mean of its divisors is an integer number (225172116).

Almost surely, 2^450344231 is an apocalyptic number.

450344231 is a deficient number, since it is larger than the sum of its proper divisors (1).

450344231 is an equidigital number, since it uses as much as digits as its factorization.

450344231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 450344231 is about 21221.3154870286. The cubic root of 450344231 is about 766.5047807111.

Adding to 450344231 its reverse (132443054), we get a palindrome (582787285).

The spelling of 450344231 in words is "four hundred fifty million, three hundred forty-four thousand, two hundred thirty-one".