It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-45550303 is a prime.
It is a Duffinian number.
It is a congruent number.
Almost surely, 245550303 is an apocalyptic number.
45550303 is a wasteful number, since it uses less digits than its factorization.
45550303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111024.
The square root of 45550303 is about 6749.0964580453. The cubic root of 45550303 is about 357.1333630162.
Adding to 45550303 its reverse (30305554), we get a palindrome (75855857).
The spelling of 45550303 in words is "forty-five million, five hundred fifty thousand, three hundred three".