45320313 has 16 divisors (see below), whose sum is σ = 61430400. Its totient is φ = 29715840.

The previous prime is 45320311. The next prime is 45320321. The reversal of 45320313 is 31302354.

45320313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45320313 - 2¹ = 45320311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45320313.

It is not an unprimeable number, because it can be changed into a prime (45320311) 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 15 ways as a sum of consecutive naturals, for example, 71508 + ... + 72138.

It is an arithmetic number, because the mean of its divisors is an integer number (3839400).

Almost surely, 2^45320313 is an apocalyptic number.

It is an amenable number.

45320313 is a deficient number, since it is larger than the sum of its proper divisors (16110087).

45320313 is a wasteful number, since it uses less digits than its factorization.

45320313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 45320313 is about 6732.0363189751. The cubic root of 45320313 is about 356.5312760450.

Adding to 45320313 its reverse (31302354), we get a palindrome (76622667).

The spelling of 45320313 in words is "forty-five million, three hundred twenty thousand, three hundred thirteen".