45705243 has 4 divisors (see below), whose sum is σ = 60940328. Its totient is φ = 30470160.

The previous prime is 45705221. The next prime is 45705251. The reversal of 45705243 is 34250754.

45705243 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.

It is not a de Polignac number, because 45705243 - 2⁵ = 45705211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45705243.

It is not an unprimeable number, because it can be changed into a prime (45705293) 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, 7617538 + ... + 7617543.

It is an arithmetic number, because the mean of its divisors is an integer number (15235082).

Almost surely, 2^45705243 is an apocalyptic number.

45705243 is a deficient number, since it is larger than the sum of its proper divisors (15235085).

45705243 is a wasteful number, since it uses less digits than its factorization.

45705243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235084.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 45705243 is about 6760.5652870156. The cubic root of 45705243 is about 357.5378361506.

Adding to 45705243 its reverse (34250754), we get a palindrome (79955997).

The spelling of 45705243 in words is "forty-five million, seven hundred five thousand, two hundred forty-three".