450330165 has 32 divisors (see below), whose sum is σ = 805724160. Its totient is φ = 238635072.

The previous prime is 450330143. The next prime is 450330173. The reversal of 450330165 is 561033054.

It is not a de Polignac number, because 450330165 - 2⁷ = 450330037 is a prime.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10572 + ... + 31818.

It is an arithmetic number, because the mean of its divisors is an integer number (25178880).

Almost surely, 2^450330165 is an apocalyptic number.

450330165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450330165 is a deficient number, since it is larger than the sum of its proper divisors (355393995).

450330165 is a wasteful number, since it uses less digits than its factorization.

450330165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418 (or 21412 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 450330165 is about 21220.9840723752. The cubic root of 450330165 is about 766.4968003206.

The spelling of 450330165 in words is "four hundred fifty million, three hundred thirty thousand, one hundred sixty-five".