450004503 has 64 divisors (see below), whose sum is σ = 692955648. Its totient is φ = 257886720.

The previous prime is 450004487. The next prime is 450004507. The reversal of 450004503 is 305400054.

It is a happy number.

It is not a de Polignac number, because 450004503 - 2⁴ = 450004487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450004503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450004507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5421700 + ... + 5421782.

It is an arithmetic number, because the mean of its divisors is an integer number (10827432).

Almost surely, 2^450004503 is an apocalyptic number.

450004503 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

450004503 is a deficient number, since it is larger than the sum of its proper divisors (242951145).

450004503 is a wasteful number, since it uses less digits than its factorization.

450004503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 450004503 is about 21213.3095720588. The cubic root of 450004503 is about 766.3119884527.

Adding to 450004503 its reverse (305400054), we get a palindrome (755404557).

The spelling of 450004503 in words is "four hundred fifty million, four thousand, five hundred three".