450000001 has 8 divisors (see below), whose sum is σ = 491709600. Its totient is φ = 408423840.

The previous prime is 449999993. The next prime is 450000007. The reversal of 450000001 is 100000054.

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

It is not a de Polignac number, because 450000001 - 2³ = 449999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450000007) 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, 26236 + ... + 39853.

It is an arithmetic number, because the mean of its divisors is an integer number (61463700).

Almost surely, 2^450000001 is an apocalyptic number.

It is an amenable number.

450000001 is a deficient number, since it is larger than the sum of its proper divisors (41709599).

450000001 is a wasteful number, since it uses less digits than its factorization.

450000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66719.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 450000001 is about 21213.2034591667. The cubic root of 450000001 is about 766.3094329612.

Adding to 450000001 its reverse (100000054), we get a palindrome (550000055).

It can be divided in two parts, 4 and 50000001, that added together give a palindrome (50000005).

The spelling of 450000001 in words is "four hundred fifty million, one", and thus it is an aban number.