223242045 has 32 divisors (see below), whose sum is σ = 407296512. Its totient is φ = 103437312.

The previous prime is 223242037. The next prime is 223242059. The reversal of 223242045 is 540242322.

It is a happy number.

It is not a de Polignac number, because 223242045 - 2³ = 223242037 is a prime.

It is a super-3 number, since 3×223242045³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 30357 + ... + 36986.

It is an arithmetic number, because the mean of its divisors is an integer number (12728016).

Almost surely, 2^223242045 is an apocalyptic number.

It is an amenable number.

223242045 is a deficient number, since it is larger than the sum of its proper divisors (184054467).

223242045 is a wasteful number, since it uses less digits than its factorization.

223242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67381.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 223242045 is about 14941.2865911875. The cubic root of 223242045 is about 606.6320209589.

Adding to 223242045 its reverse (540242322), we get a palindrome (763484367).

The spelling of 223242045 in words is "two hundred twenty-three million, two hundred forty-two thousand, forty-five".