45415213 has 8 divisors (see below), whose sum is σ = 46408640. Its totient is φ = 44441100.

The previous prime is 45415163. The next prime is 45415259. The reversal of 45415213 is 31251454.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-45415213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45415273) 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, 300688 + ... + 300838.

It is an arithmetic number, because the mean of its divisors is an integer number (5801080).

Almost surely, 2^45415213 is an apocalyptic number.

It is an amenable number.

45415213 is a deficient number, since it is larger than the sum of its proper divisors (993427).

45415213 is an frugal number, since it uses more digits than its factorization.

45415213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 218 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 45415213 is about 6739.0810204359. The cubic root of 45415213 is about 356.7799594482.

Adding to 45415213 its reverse (31251454), we get a palindrome (76666667).

The spelling of 45415213 in words is "forty-five million, four hundred fifteen thousand, two hundred thirteen".