450213165 has 24 divisors (see below), whose sum is σ = 789778080. Its totient is φ = 237218784.

The previous prime is 450213161. The next prime is 450213173. The reversal of 450213165 is 561312054.

It is not a de Polignac number, because 450213165 - 2² = 450213161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450213161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56535 + ... + 64004.

It is an arithmetic number, because the mean of its divisors is an integer number (32907420).

Almost surely, 2^450213165 is an apocalyptic number.

450213165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450213165 is a deficient number, since it is larger than the sum of its proper divisors (339564915).

450213165 is a wasteful number, since it uses less digits than its factorization.

450213165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120633 (or 120630 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 450213165 is about 21218.2271879627. The cubic root of 450213165 is about 766.4304135520.

The spelling of 450213165 in words is "four hundred fifty million, two hundred thirteen thousand, one hundred sixty-five".