45320315 has 4 divisors (see below), whose sum is σ = 54384384. Its totient is φ = 36256248.

The previous prime is 45320311. The next prime is 45320321. The reversal of 45320315 is 51302354.

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

It is a cyclic number.

It is not a de Polignac number, because 45320315 - 2² = 45320311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45320311) 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, 4532027 + ... + 4532036.

It is an arithmetic number, because the mean of its divisors is an integer number (13596096).

Almost surely, 2^45320315 is an apocalyptic number.

45320315 is a deficient number, since it is larger than the sum of its proper divisors (9064069).

45320315 is an equidigital number, since it uses as much as digits as its factorization.

45320315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064068.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 45320315 is about 6732.0364675186. The cubic root of 45320315 is about 356.5312812896.

Adding to 45320315 its reverse (51302354), we get a palindrome (96622669).

The spelling of 45320315 in words is "forty-five million, three hundred twenty thousand, three hundred fifteen".