45462831218 has 24 divisors (see below), whose sum is σ = 79540740972. Its totient is φ = 19431818784.

The previous prime is 45462831209. The next prime is 45462831287. The reversal of 45462831218 is 81213826454.

It can be written as a sum of positive squares in 2 ways, for example, as 43744977409 + 1717853809 = 209153^2 + 41447^2 .

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 11 ways as a sum of consecutive naturals, for example, 585305 + ... + 658412.

Almost surely, 2^45462831218 is an apocalyptic number.

45462831218 is a deficient number, since it is larger than the sum of its proper divisors (34077909754).

45462831218 is a wasteful number, since it uses less digits than its factorization.

45462831218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244106 (or 1244099 counting only the distinct ones).

The product of its digits is 368640, while the sum is 44.

The spelling of 45462831218 in words is "forty-five billion, four hundred sixty-two million, eight hundred thirty-one thousand, two hundred eighteen".