450000003 has 4 divisors (see below), whose sum is σ = 600000008. Its totient is φ = 300000000.

The previous prime is 449999993. The next prime is 450000007. The reversal of 450000003 is 300000054.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 450000003 - 2⁴ = 449999987 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74999998 + ... + 75000003.

It is an arithmetic number, because the mean of its divisors is an integer number (150000002).

Almost surely, 2^450000003 is an apocalyptic number.

450000003 is a deficient number, since it is larger than the sum of its proper divisors (150000005).

450000003 is a wasteful number, since it uses less digits than its factorization.

450000003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150000004.

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 450000003 is about 21213.2035063071. The cubic root of 450000003 is about 766.3094340965.

Adding to 450000003 its reverse (300000054), we get a palindrome (750000057).

The spelling of 450000003 in words is "four hundred fifty million, three", and thus it is an aban number.