223435145 has 8 divisors (see below), whose sum is σ = 269728704. Its totient is φ = 177677104.

The previous prime is 223435109. The next prime is 223435171. The reversal of 223435145 is 541534322.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 223435145 - 2¹⁶ = 223369609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 132959 + ... + 134628.

It is an arithmetic number, because the mean of its divisors is an integer number (33716088).

Almost surely, 2^223435145 is an apocalyptic number.

It is an amenable number.

223435145 is a deficient number, since it is larger than the sum of its proper divisors (46293559).

223435145 is a wasteful number, since it uses less digits than its factorization.

223435145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267759.

The product of its digits is 14400, while the sum is 29.

The square root of 223435145 is about 14947.7471546718. The cubic root of 223435145 is about 606.8068788277.

Adding to 223435145 its reverse (541534322), we get a palindrome (764969467).

The spelling of 223435145 in words is "two hundred twenty-three million, four hundred thirty-five thousand, one hundred forty-five".