45545243 has 4 divisors (see below), whose sum is σ = 45996288. Its totient is φ = 45094200.

The previous prime is 45545233. The next prime is 45545249. The reversal of 45545243 is 34254554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45545243 - 2⁸ = 45544987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45545249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225371 + ... + 225572.

It is an arithmetic number, because the mean of its divisors is an integer number (11499072).

Almost surely, 2^45545243 is an apocalyptic number.

45545243 is a deficient number, since it is larger than the sum of its proper divisors (451045).

45545243 is a wasteful number, since it uses less digits than its factorization.

45545243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451044.

The product of its digits is 48000, while the sum is 32.

The square root of 45545243 is about 6748.7215826407. The cubic root of 45545243 is about 357.1201383567.

Adding to 45545243 its reverse (34254554), we get a palindrome (79799797).

The spelling of 45545243 in words is "forty-five million, five hundred forty-five thousand, two hundred forty-three".