450561161 has 8 divisors (see below), whose sum is σ = 465552384. Its totient is φ = 435598560.

The previous prime is 450561107. The next prime is 450561227. The reversal of 450561161 is 161165054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450561161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (450561361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27605 + ... + 40781.

It is an arithmetic number, because the mean of its divisors is an integer number (58194048).

Almost surely, 2^450561161 is an apocalyptic number.

It is an amenable number.

450561161 is a deficient number, since it is larger than the sum of its proper divisors (14991223).

450561161 is a wasteful number, since it uses less digits than its factorization.

450561161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 450561161 is about 21226.4260062781. The cubic root of 450561161 is about 766.6278356094.

The spelling of 450561161 in words is "four hundred fifty million, five hundred sixty-one thousand, one hundred sixty-one".