223575545 has 8 divisors (see below), whose sum is σ = 268962120. Its totient is φ = 178412800.

The previous prime is 223575491. The next prime is 223575557. The reversal of 223575545 is 545575322.

It can be written as a sum of positive squares in 4 ways, for example, as 45859984 + 177715561 = 6772^2 + 13331^2 .

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

It is not a de Polignac number, because 223575545 - 2¹⁸ = 223313401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223575499 and 223575508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53750 + ... + 57759.

It is an arithmetic number, because the mean of its divisors is an integer number (33620265).

Almost surely, 2^223575545 is an apocalyptic number.

It is an amenable number.

223575545 is a deficient number, since it is larger than the sum of its proper divisors (45386575).

223575545 is a wasteful number, since it uses less digits than its factorization.

223575545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111915.

The product of its digits is 210000, while the sum is 38.

The square root of 223575545 is about 14952.4427770181. The cubic root of 223575545 is about 606.9339520137.

The spelling of 223575545 in words is "two hundred twenty-three million, five hundred seventy-five thousand, five hundred forty-five".