223552002047645 has 16 divisors (see below), whose sum is σ = 269415307233072. Its totient is φ = 178073007367680.

The previous prime is 223552002047617. The next prime is 223552002047651. The reversal of 223552002047645 is 546740200255322.

It can be written as a sum of positive squares in 8 ways, for example, as 123636564163204 + 99915437884441 = 11119198^2 + 9995771^2 .

It is not a de Polignac number, because 223552002047645 - 2⁶ = 223552002047581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223552002047645.

It is a congruent number.

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, 247672379 + ... + 248573351.

It is an arithmetic number, because the mean of its divisors is an integer number (16838456702067).

Almost surely, 2^{223552002047645} is an apocalyptic number.

It is an amenable number.

223552002047645 is a deficient number, since it is larger than the sum of its proper divisors (45863305185427).

223552002047645 is a wasteful number, since it uses less digits than its factorization.

223552002047645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114192.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 223552002047645 in words is "two hundred twenty-three trillion, five hundred fifty-two billion, two million, forty-seven thousand, six hundred forty-five".