45185313 has 8 divisors (see below), whose sum is σ = 60280000. Its totient is φ = 30107088.

The previous prime is 45185311. The next prime is 45185339. The reversal of 45185313 is 31358154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45185313 - 2¹ = 45185311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45185311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (7535000).

Almost surely, 2^45185313 is an apocalyptic number.

It is an amenable number.

45185313 is a deficient number, since it is larger than the sum of its proper divisors (15094687).

45185313 is a wasteful number, since it uses less digits than its factorization.

45185313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231.

The product of its digits is 7200, while the sum is 30.

The square root of 45185313 is about 6722.0021570958. The cubic root of 45185313 is about 356.1769125535.

The spelling of 45185313 in words is "forty-five million, one hundred eighty-five thousand, three hundred thirteen".