45143820777843 has 12 divisors (see below), whose sum is σ = 65455679306160. Its totient is φ = 29981447511216.

The previous prime is 45143820777841. The next prime is 45143820777899. The reversal of 45143820777843 is 34877702834154.

45143820777843 is a `hidden beast` number, since 4 + 5 + 1 + 438 + 20 + 77 + 78 + 43 = 666.

It is not a de Polignac number, because 45143820777843 - 2¹ = 45143820777841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45143820777841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9536081448 + ... + 9536086181.

It is an arithmetic number, because the mean of its divisors is an integer number (5454639942180).

Almost surely, 2^{45143820777843} is an apocalyptic number.

45143820777843 is a deficient number, since it is larger than the sum of its proper divisors (20311858528317).

45143820777843 is a wasteful number, since it uses less digits than its factorization.

45143820777843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19072167898 (or 19072167895 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 63.

The spelling of 45143820777843 in words is "forty-five trillion, one hundred forty-three billion, eight hundred twenty million, seven hundred seventy-seven thousand, eight hundred forty-three".