45213318 has 12 divisors (see below), whose sum is σ = 97962228. Its totient is φ = 15071100.

The previous prime is 45213317. The next prime is 45213323. The reversal of 45213318 is 81331254.

It is a happy number.

45213318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45213291 and 45213300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45213317) 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 5 ways as a sum of consecutive naturals, for example, 1255908 + ... + 1255943.

It is an arithmetic number, because the mean of its divisors is an integer number (8163519).

Almost surely, 2^45213318 is an apocalyptic number.

45213318 is an abundant number, since it is smaller than the sum of its proper divisors (52748910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45213318 is a wasteful number, since it uses less digits than its factorization.

45213318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511859 (or 2511856 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 45213318 is about 6724.0849191544. The cubic root of 45213318 is about 356.2504812551.

The spelling of 45213318 in words is "forty-five million, two hundred thirteen thousand, three hundred eighteen".