45511203 has 4 divisors (see below), whose sum is σ = 60681608. Its totient is φ = 30340800.

The previous prime is 45511201. The next prime is 45511229. The reversal of 45511203 is 30211554.

45511203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45511203 - 2¹ = 45511201 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 45511203.

It is not an unprimeable number, because it can be changed into a prime (45511201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7585198 + ... + 7585203.

It is an arithmetic number, because the mean of its divisors is an integer number (15170402).

Almost surely, 2^45511203 is an apocalyptic number.

45511203 is a deficient number, since it is larger than the sum of its proper divisors (15170405).

45511203 is a wasteful number, since it uses less digits than its factorization.

45511203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170404.

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

The square root of 45511203 is about 6746.1991521152. The cubic root of 45511203 is about 357.0311469972.

Adding to 45511203 its reverse (30211554), we get a palindrome (75722757).

The spelling of 45511203 in words is "forty-five million, five hundred eleven thousand, two hundred three".