45445495018 has 48 divisors (see below), whose sum is σ = 86546695104. Its totient is φ = 17697839040.

The previous prime is 45445495009. The next prime is 45445495027. The reversal of 45445495018 is 81059454454.

It is an interprime number because it is at equal distance from previous prime (45445495009) and next prime (45445495027).

It is a Harshad number since it is a multiple of its sum of digits (49).

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 23 ways as a sum of consecutive naturals, for example, 2657371 + ... + 2674417.

It is an arithmetic number, because the mean of its divisors is an integer number (1803056148).

Almost surely, 2^45445495018 is an apocalyptic number.

45445495018 is a deficient number, since it is larger than the sum of its proper divisors (41101200086).

45445495018 is a wasteful number, since it uses less digits than its factorization.

45445495018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19547 (or 19540 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 45445495018 in words is "forty-five billion, four hundred forty-five million, four hundred ninety-five thousand, eighteen".