223450545 has 32 divisors (see below), whose sum is σ = 379843200. Its totient is φ = 111849984.

The previous prime is 223450541. The next prime is 223450559. The reversal of 223450545 is 545054322.

223450545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223450545 - 2² = 223450541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223450541) 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, 27469 + ... + 34661.

It is an arithmetic number, because the mean of its divisors is an integer number (11870100).

Almost surely, 2^223450545 is an apocalyptic number.

It is an amenable number.

223450545 is a deficient number, since it is larger than the sum of its proper divisors (156392655).

223450545 is a wasteful number, since it uses less digits than its factorization.

223450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 223450545 is about 14948.2622735889. The cubic root of 223450545 is about 606.8208196534.

The spelling of 223450545 in words is "two hundred twenty-three million, four hundred fifty thousand, five hundred forty-five".