450145503 has 12 divisors (see below), whose sum is σ = 651608568. Its totient is φ = 299451600.

The previous prime is 450145477. The next prime is 450145517. The reversal of 450145503 is 305541054.

It is not a de Polignac number, because 450145503 - 2⁶ = 450145439 is a prime.

It is a super-2 number, since 2×450145503² = 405261947742246018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450145583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49348 + ... + 57753.

It is an arithmetic number, because the mean of its divisors is an integer number (54300714).

Almost surely, 2^450145503 is an apocalyptic number.

450145503 is a deficient number, since it is larger than the sum of its proper divisors (201463065).

450145503 is a wasteful number, since it uses less digits than its factorization.

450145503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107574 (or 107571 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 450145503 is about 21216.6326970139. The cubic root of 450145503 is about 766.3920163239.

Adding to 450145503 its reverse (305541054), we get a palindrome (755686557).

The spelling of 450145503 in words is "four hundred fifty million, one hundred forty-five thousand, five hundred three".