450112503 has 4 divisors (see below), whose sum is σ = 600150008. Its totient is φ = 300075000.

The previous prime is 450112501. The next prime is 450112543. The reversal of 450112503 is 305211054.

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

It is not a de Polignac number, because 450112503 - 2¹ = 450112501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 450112503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450112501) 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, 75018748 + ... + 75018753.

It is an arithmetic number, because the mean of its divisors is an integer number (150037502).

Almost surely, 2^450112503 is an apocalyptic number.

450112503 is a deficient number, since it is larger than the sum of its proper divisors (150037505).

450112503 is a wasteful number, since it uses less digits than its factorization.

450112503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150037504.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 450112503 is about 21215.8549910203. The cubic root of 450112503 is about 766.3732878947.

Adding to 450112503 its reverse (305211054), we get a palindrome (755323557).

The spelling of 450112503 in words is "four hundred fifty million, one hundred twelve thousand, five hundred three".