1845318212 has 12 divisors (see below), whose sum is σ = 3252879420. Its totient is φ = 915924096.

The previous prime is 1845318199. The next prime is 1845318271. The reversal of 1845318212 is 2128135481.

It can be written as a sum of positive squares in 2 ways, for example, as 1621995076 + 223323136 = 40274^2 + 14944^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683137 + ... + 1684232.

It is an arithmetic number, because the mean of its divisors is an integer number (271073285).

Almost surely, 2^1845318212 is an apocalyptic number.

It is an amenable number.

1845318212 is a deficient number, since it is larger than the sum of its proper divisors (1407561208).

1845318212 is a wasteful number, since it uses less digits than its factorization.

1845318212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367510 (or 3367508 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 1845318212 is about 42957.1671784814. The cubic root of 1845318212 is about 1226.5645896405.

The spelling of 1845318212 in words is "one billion, eight hundred forty-five million, three hundred eighteen thousand, two hundred twelve".