45440223 has 8 divisors (see below), whose sum is σ = 60741168. Its totient is φ = 30216384.

The previous prime is 45440189. The next prime is 45440233. The reversal of 45440223 is 32204454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45440223 - 2⁶ = 45440159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45440193 and 45440202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45440233) 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 7 ways as a sum of consecutive naturals, for example, 17886 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (7592646).

Almost surely, 2^45440223 is an apocalyptic number.

45440223 is a deficient number, since it is larger than the sum of its proper divisors (15300945).

45440223 is a wasteful number, since it uses less digits than its factorization.

45440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38553.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 45440223 is about 6740.9363592902. The cubic root of 45440223 is about 356.8454399244.

Adding to 45440223 its reverse (32204454), we get a palindrome (77644677).

The spelling of 45440223 in words is "forty-five million, four hundred forty thousand, two hundred twenty-three".