54123045345 has 40 divisors (see below), whose sum is σ = 98110754280. Its totient is φ = 28541272320.

The previous prime is 54123045331. The next prime is 54123045371. The reversal of 54123045345 is 54354032145.

54123045345 is a `hidden beast` number, since 5 + 4 + 1 + 2 + 304 + 5 + 345 = 666.

54123045345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9585216 + 54113460129 = 3096^2 + 232623^2 .

It is not a de Polignac number, because 54123045345 - 2⁵ = 54123045313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 714726 + ... + 786815.

It is an arithmetic number, because the mean of its divisors is an integer number (2452768857).

Almost surely, 2^54123045345 is an apocalyptic number.

It is an amenable number.

54123045345 is a deficient number, since it is larger than the sum of its proper divisors (43987708935).

54123045345 is a wasteful number, since it uses less digits than its factorization.

54123045345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501647 (or 1501638 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 54123045345 in words is "fifty-four billion, one hundred twenty-three million, forty-five thousand, three hundred forty-five".