223344145 has 16 divisors (see below), whose sum is σ = 294387840. Its totient is φ = 161910144.

The previous prime is 223344137. The next prime is 223344169. The reversal of 223344145 is 541443322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 223344145 - 2³ = 223344137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48924 + ... + 53293.

It is an arithmetic number, because the mean of its divisors is an integer number (18399240).

Almost surely, 2^223344145 is an apocalyptic number.

It is an amenable number.

223344145 is a deficient number, since it is larger than the sum of its proper divisors (71043695).

223344145 is a wasteful number, since it uses less digits than its factorization.

223344145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102264.

The product of its digits is 11520, while the sum is 28.

The square root of 223344145 is about 14944.7029077195. The cubic root of 223344145 is about 606.7244881423.

Adding to 223344145 its reverse (541443322), we get a palindrome (764787467).

The spelling of 223344145 in words is "two hundred twenty-three million, three hundred forty-four thousand, one hundred forty-five".