450561165 has 32 divisors (see below), whose sum is σ = 731514240. Its totient is φ = 236780544.

The previous prime is 450561107. The next prime is 450561227. The reversal of 450561165 is 561165054.

It is not a de Polignac number, because 450561165 - 2¹⁰ = 450560141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729937 + ... + 730553.

It is an arithmetic number, because the mean of its divisors is an integer number (22859820).

Almost surely, 2^450561165 is an apocalyptic number.

It is an amenable number.

450561165 is a deficient number, since it is larger than the sum of its proper divisors (280953075).

450561165 is a wasteful number, since it uses less digits than its factorization.

450561165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 450561165 is about 21226.4261005003. The cubic root of 450561165 is about 766.6278378781.

The spelling of 450561165 in words is "four hundred fifty million, five hundred sixty-one thousand, one hundred sixty-five".