223454645 has 8 divisors (see below), whose sum is σ = 268253856. Its totient is φ = 178691536.

The previous prime is 223454557. The next prime is 223454659. The reversal of 223454645 is 546454322.

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 223454645 - 2¹⁰ = 223453621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274 + ... + 22356.

It is an arithmetic number, because the mean of its divisors is an integer number (33531732).

Almost surely, 2^223454645 is an apocalyptic number.

It is an amenable number.

223454645 is a deficient number, since it is larger than the sum of its proper divisors (44799211).

223454645 is a wasteful number, since it uses less digits than its factorization.

223454645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18051.

The product of its digits is 115200, while the sum is 35.

The square root of 223454645 is about 14948.3994126462. The cubic root of 223454645 is about 606.8245310640.

The spelling of 223454645 in words is "two hundred twenty-three million, four hundred fifty-four thousand, six hundred forty-five".