450529165 has 4 divisors (see below), whose sum is σ = 540635004. Its totient is φ = 360423328.

The previous prime is 450529147. The next prime is 450529199. The reversal of 450529165 is 561925054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71876484 + 378652681 = 8478^2 + 19459^2 .

It is a cyclic number.

It is not a de Polignac number, because 450529165 - 2⁹ = 450528653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45052912 + ... + 45052921.

It is an arithmetic number, because the mean of its divisors is an integer number (135158751).

Almost surely, 2^450529165 is an apocalyptic number.

It is an amenable number.

450529165 is a deficient number, since it is larger than the sum of its proper divisors (90105839).

450529165 is an equidigital number, since it uses as much as digits as its factorization.

450529165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90105838.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 450529165 is about 21225.6723097291. The cubic root of 450529165 is about 766.6096881620.

It can be divided in two parts, 4505 and 29165, that added together give a triangular number (33670 = T₂₅₉).

The spelling of 450529165 in words is "four hundred fifty million, five hundred twenty-nine thousand, one hundred sixty-five".