204643114145 has 8 divisors (see below), whose sum is σ = 245682718056. Its totient is φ = 163640503936.

The previous prime is 204643114057. The next prime is 204643114171. The reversal of 204643114145 is 541411346402.

It can be written as a sum of positive squares in 4 ways, for example, as 140061565504 + 64581548641 = 374248^2 + 254129^2 .

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 204643114145 - 2⁸ = 204643113889 is a prime.

It is a Duffinian 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, 9236252 + ... + 9258381.

It is an arithmetic number, because the mean of its divisors is an integer number (30710339757).

Almost surely, 2^204643114145 is an apocalyptic number.

It is an amenable number.

204643114145 is a deficient number, since it is larger than the sum of its proper divisors (41039603911).

204643114145 is a wasteful number, since it uses less digits than its factorization.

204643114145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18496851.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 204643114145 in words is "two hundred four billion, six hundred forty-three million, one hundred fourteen thousand, one hundred forty-five".