45506223 has 12 divisors (see below), whose sum is σ = 75121488. Its totient is φ = 26003520.

The previous prime is 45506221. The next prime is 45506267. The reversal of 45506223 is 32260554.

It is not a de Polignac number, because 45506223 - 2¹ = 45506221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45506221) 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 11 ways as a sum of consecutive naturals, for example, 361098 + ... + 361223.

It is an arithmetic number, because the mean of its divisors is an integer number (6260124).

Almost surely, 2^45506223 is an apocalyptic number.

45506223 is a deficient number, since it is larger than the sum of its proper divisors (29615265).

45506223 is a wasteful number, since it uses less digits than its factorization.

45506223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722334 (or 722331 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 45506223 is about 6745.8300452946. The cubic root of 45506223 is about 357.0181239769.

Adding to 45506223 its reverse (32260554), we get a palindrome (77766777).

The spelling of 45506223 in words is "forty-five million, five hundred six thousand, two hundred twenty-three".