45544533543 has 12 divisors (see below), whose sum is σ = 67564563768. Its totient is φ = 29542399920.

The previous prime is 45544533499. The next prime is 45544533569. The reversal of 45544533543 is 34533544554.

45544533543 is a `hidden beast` number, since 4 + 5 + 54 + 4 + 53 + 3 + 543 = 666.

It is not a de Polignac number, because 45544533543 - 2¹⁶ = 45544468007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45544533583) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 68384853 + ... + 68385518.

It is an arithmetic number, because the mean of its divisors is an integer number (5630380314).

Almost surely, 2^45544533543 is an apocalyptic number.

45544533543 is a deficient number, since it is larger than the sum of its proper divisors (22020030225).

45544533543 is a wasteful number, since it uses less digits than its factorization.

45544533543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136770414 (or 136770411 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 45.

The spelling of 45544533543 in words is "forty-five billion, five hundred forty-four million, five hundred thirty-three thousand, five hundred forty-three".