450000005 has 16 divisors (see below), whose sum is σ = 664616064. Its totient is φ = 284834880.

The previous prime is 449999993. The next prime is 450000007. The reversal of 450000005 is 500000054.

It is not a de Polignac number, because 450000005 - 2¹⁰ = 449998981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450000007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494051 + ... + 494960.

It is an arithmetic number, because the mean of its divisors is an integer number (41538504).

Almost surely, 2^450000005 is an apocalyptic number.

It is an amenable number.

450000005 is a deficient number, since it is larger than the sum of its proper divisors (214616059).

450000005 is a wasteful number, since it uses less digits than its factorization.

450000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989036.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 450000005 is about 21213.2035534476. The cubic root of 450000005 is about 766.3094352317.

Adding to 450000005 its reverse (500000054), we get a palindrome (950000059).

It can be divided in two parts, 45000000 and 5, that multiplied together give a square (225000000 = 15000²).

The spelling of 450000005 in words is "four hundred fifty million, five", and thus it is an aban number.