45731818655 has 4 divisors (see below), whose sum is σ = 54878182392. Its totient is φ = 36585454920.

The previous prime is 45731818631. The next prime is 45731818673. The reversal of 45731818655 is 55681813754.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45731818655 - 2⁸ = 45731818399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45731818597 and 45731818606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4573181861 + ... + 4573181870.

It is an arithmetic number, because the mean of its divisors is an integer number (13719545598).

Almost surely, 2^45731818655 is an apocalyptic number.

45731818655 is a deficient number, since it is larger than the sum of its proper divisors (9146363737).

45731818655 is an equidigital number, since it uses as much as digits as its factorization.

45731818655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9146363736.

The product of its digits is 4032000, while the sum is 53.

The spelling of 45731818655 in words is "forty-five billion, seven hundred thirty-one million, eight hundred eighteen thousand, six hundred fifty-five".