223412145 has 16 divisors (see below), whose sum is σ = 389956032. Its totient is φ = 108320960.

The previous prime is 223412131. The next prime is 223412149. The reversal of 223412145 is 541214322.

It is not a de Polignac number, because 223412145 - 2⁶ = 223412081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223412149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676842 + ... + 677171.

It is an arithmetic number, because the mean of its divisors is an integer number (24372252).

Almost surely, 2^223412145 is an apocalyptic number.

It is an amenable number.

223412145 is a deficient number, since it is larger than the sum of its proper divisors (166543887).

223412145 is a wasteful number, since it uses less digits than its factorization.

223412145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354032.

The product of its digits is 1920, while the sum is 24.

The square root of 223412145 is about 14946.9777881684. The cubic root of 223412145 is about 606.7860569212.

Adding to 223412145 its reverse (541214322), we get a palindrome (764626467).

The spelling of 223412145 in words is "two hundred twenty-three million, four hundred twelve thousand, one hundred forty-five".