223030545 has 32 divisors (see below), whose sum is σ = 362880000. Its totient is φ = 116954304.

The previous prime is 223030541. The next prime is 223030559. The reversal of 223030545 is 545030322.

It is not a de Polignac number, because 223030545 - 2² = 223030541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223030541) 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 31 ways as a sum of consecutive naturals, for example, 446706 + ... + 447204.

It is an arithmetic number, because the mean of its divisors is an integer number (11340000).

Almost surely, 2^223030545 is an apocalyptic number.

It is an amenable number.

223030545 is a deficient number, since it is larger than the sum of its proper divisors (139849455).

223030545 is a wasteful number, since it uses less digits than its factorization.

223030545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 223030545 is about 14934.2072102941. The cubic root of 223030545 is about 606.4403855946.

Adding to 223030545 its reverse (545030322), we get a palindrome (768060867).

The spelling of 223030545 in words is "two hundred twenty-three million, thirty thousand, five hundred forty-five".