543845548345 has 32 divisors (see below), whose sum is σ = 713020942080. Its totient is φ = 394925879040.

The previous prime is 543845548343. The next prime is 543845548349.

It is a happy number.

543845548345 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 543845548345 - 2¹ = 543845548343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543845548345.

It is not an unprimeable number, because it can be changed into a prime (543845548343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163856596 + ... + 163859914.

It is an arithmetic number, because the mean of its divisors is an integer number (22281904440).

Almost surely, 2^543845548345 is an apocalyptic number.

543845548345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

543845548345 is a deficient number, since it is larger than the sum of its proper divisors (169175393735).

543845548345 is a wasteful number, since it uses less digits than its factorization.

543845548345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945.

The product of its digits is 92160000, while the sum is 58.

The spelling of 543845548345 in words is "five hundred forty-three billion, eight hundred forty-five million, five hundred forty-eight thousand, three hundred forty-five".