45003313 has 4 divisors (see below), whose sum is σ = 45094000. Its totient is φ = 44912628.

The previous prime is 45003311. The next prime is 45003319. The reversal of 45003313 is 31330054.

45003313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45003313 - 2¹ = 45003311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45003311) 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, 44595 + ... + 45592.

It is an arithmetic number, because the mean of its divisors is an integer number (11273500).

Almost surely, 2^45003313 is an apocalyptic number.

It is an amenable number.

45003313 is a deficient number, since it is larger than the sum of its proper divisors (90687).

45003313 is an equidigital number, since it uses as much as digits as its factorization.

45003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90686.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 45003313 is about 6708.4508643948. The cubic root of 45003313 is about 355.6980591144.

Adding to 45003313 its reverse (31330054), we get a palindrome (76333367).

The spelling of 45003313 in words is "forty-five million, three thousand, three hundred thirteen".