45070218 has 72 divisors (see below), whose sum is σ = 105356160. Its totient is φ = 13906080.

The previous prime is 45070217. The next prime is 45070237. The reversal of 45070218 is 81207054.

It is a junction number, because it is equal to n+sod(n) for n = 45070191 and 45070200.

It is not an unprimeable number, because it can be changed into a prime (45070217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 763873 + ... + 763931.

It is an arithmetic number, because the mean of its divisors is an integer number (1463280).

Almost surely, 2^45070218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45070218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52678080).

45070218 is an abundant number, since it is smaller than the sum of its proper divisors (60285942).

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

45070218 is a wasteful number, since it uses less digits than its factorization.

45070218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 45070218 is about 6713.4356331166. The cubic root of 45070218 is about 355.8742401817.

The spelling of 45070218 in words is "forty-five million, seventy thousand, two hundred eighteen".