45044243 has 4 divisors (see below), whose sum is σ = 45057840. Its totient is φ = 45030648.

The previous prime is 45044239. The next prime is 45044249. The reversal of 45044243 is 34244054.

45044243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45044243 - 2² = 45044239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45044249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778 + ... + 9656.

It is an arithmetic number, because the mean of its divisors is an integer number (11264460).

Almost surely, 2^45044243 is an apocalyptic number.

45044243 is a deficient number, since it is larger than the sum of its proper divisors (13597).

45044243 is an equidigital number, since it uses as much as digits as its factorization.

45044243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 45044243 is about 6711.5008008641. The cubic root of 45044243 is about 355.8058608825.

Adding to 45044243 its reverse (34244054), we get a palindrome (79288297).

The spelling of 45044243 in words is "forty-five million, forty-four thousand, two hundred forty-three".