223545064 has 16 divisors (see below), whose sum is σ = 421572420. Its totient is φ = 111125760.

The previous prime is 223545037. The next prime is 223545067. The reversal of 223545064 is 460545322.

It can be written as a sum of positive squares in 2 ways, for example, as 165328164 + 58216900 = 12858^2 + 7630^2 .

It is not an unprimeable number, because it can be changed into a prime (223545067) 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 3 ways as a sum of consecutive naturals, for example, 79377 + ... + 82144.

Almost surely, 2^223545064 is an apocalyptic number.

It is an amenable number.

223545064 is a deficient number, since it is larger than the sum of its proper divisors (198027356).

223545064 is a wasteful number, since it uses less digits than its factorization.

223545064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161700 (or 161696 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 223545064 is about 14951.4234773817. The cubic root of 223545064 is about 606.9063688023.

The spelling of 223545064 in words is "two hundred twenty-three million, five hundred forty-five thousand, sixty-four".