45130313 has 4 divisors (see below), whose sum is σ = 45147648. Its totient is φ = 45112980.

The previous prime is 45130307. The next prime is 45130331. The reversal of 45130313 is 31303154.

It is a happy number.

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 45130313 - 2¹² = 45126217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45130363) 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, 3881 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (11286912).

Almost surely, 2^45130313 is an apocalyptic number.

It is an amenable number.

45130313 is a deficient number, since it is larger than the sum of its proper divisors (17335).

45130313 is a wasteful number, since it uses less digits than its factorization.

45130313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17334.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 45130313 is about 6717.9098684040. The cubic root of 45130313 is about 356.0323398850.

Adding to 45130313 its reverse (31303154), we get a palindrome (76433467).

The spelling of 45130313 in words is "forty-five million, one hundred thirty thousand, three hundred thirteen".