45105543 has 12 divisors (see below), whose sum is σ = 74460048. Its totient is φ = 25774560.

The previous prime is 45105521. The next prime is 45105547. The reversal of 45105543 is 34550154.

It is not a de Polignac number, because 45105543 - 2¹² = 45101447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45105547) 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, 357918 + ... + 358043.

It is an arithmetic number, because the mean of its divisors is an integer number (6205004).

Almost surely, 2^45105543 is an apocalyptic number.

45105543 is a deficient number, since it is larger than the sum of its proper divisors (29354505).

45105543 is a wasteful number, since it uses less digits than its factorization.

45105543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715974 (or 715971 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 45105543 is about 6716.0660360065. The cubic root of 45105543 is about 355.9671912491.

Adding to 45105543 its reverse (34550154), we get a palindrome (79655697).

The spelling of 45105543 in words is "forty-five million, one hundred five thousand, five hundred forty-three".