450100001 has 8 divisors (see below), whose sum is σ = 485913960. Its totient is φ = 414456192.

The previous prime is 450099989. The next prime is 450100031. The reversal of 450100001 is 100001054.

It can be written as a sum of positive squares in 4 ways, for example, as 11155600 + 438944401 = 3340^2 + 20951^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 450100001 - 2²² = 445905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450100031) 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 7 ways as a sum of consecutive naturals, for example, 37010 + ... + 47643.

It is an arithmetic number, because the mean of its divisors is an integer number (60739245).

Almost surely, 2^450100001 is an apocalyptic number.

It is an amenable number.

450100001 is a deficient number, since it is larger than the sum of its proper divisors (35813959).

450100001 is a wasteful number, since it uses less digits than its factorization.

450100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85075.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 450100001 is about 21215.5603508368. The cubic root of 450100001 is about 766.3661924186.

Adding to 450100001 its reverse (100001054), we get a palindrome (550101055).

The spelling of 450100001 in words is "four hundred fifty million, one hundred thousand, one".