223416545 has 32 divisors (see below), whose sum is σ = 303630336. Its totient is φ = 156384000.

The previous prime is 223416541. The next prime is 223416547. The reversal of 223416545 is 545614322.

It is not a de Polignac number, because 223416545 - 2² = 223416541 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223416541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204992 + ... + 206078.

It is an arithmetic number, because the mean of its divisors is an integer number (9488448).

Almost surely, 2^223416545 is an apocalyptic number.

It is an amenable number.

223416545 is a deficient number, since it is larger than the sum of its proper divisors (80213791).

223416545 is a wasteful number, since it uses less digits than its factorization.

223416545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its digits is 28800, while the sum is 32.

The square root of 223416545 is about 14947.1249743889. The cubic root of 223416545 is about 606.7900403530.

The spelling of 223416545 in words is "two hundred twenty-three million, four hundred sixteen thousand, five hundred forty-five".