223440045 has 32 divisors (see below), whose sum is σ = 364638720. Its totient is φ = 116812800.

The previous prime is 223440043. The next prime is 223440047. The reversal of 223440045 is 540044322.

It is an interprime number because it is at equal distance from previous prime (223440043) and next prime (223440047).

It is not a de Polignac number, because 223440045 - 2¹ = 223440043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223439997 and 223440024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223440043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185445 + ... + 186645.

It is an arithmetic number, because the mean of its divisors is an integer number (11394960).

Almost surely, 2^223440045 is an apocalyptic number.

It is an amenable number.

223440045 is a deficient number, since it is larger than the sum of its proper divisors (141198675).

223440045 is a wasteful number, since it uses less digits than its factorization.

223440045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445.

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

The square root of 223440045 is about 14947.9110580710. The cubic root of 223440045 is about 606.8113146145.

Adding to 223440045 its reverse (540044322), we get a palindrome (763484367).

The spelling of 223440045 in words is "two hundred twenty-three million, four hundred forty thousand, forty-five".