45544243 has 4 divisors (see below), whose sum is σ = 45584568. Its totient is φ = 45503920.

The previous prime is 45544193. The next prime is 45544307. The reversal of 45544243 is 34244554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34244554 = 2 ⋅17122277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45544243 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45542243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18418 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (11396142).

Almost surely, 2^45544243 is an apocalyptic number.

45544243 is a deficient number, since it is larger than the sum of its proper divisors (40325).

45544243 is a wasteful number, since it uses less digits than its factorization.

45544243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40324.

The product of its digits is 38400, while the sum is 31.

The square root of 45544243 is about 6748.6474941280. The cubic root of 45544243 is about 357.1175246718.

Adding to 45544243 its reverse (34244554), we get a palindrome (79788797).

The spelling of 45544243 in words is "forty-five million, five hundred forty-four thousand, two hundred forty-three".