202104845 has 8 divisors (see below), whose sum is σ = 242602776. Its totient is φ = 161632576.

The previous prime is 202104829. The next prime is 202104869. The reversal of 202104845 is 548401202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4674244 + 197430601 = 2162^2 + 14051^2 .

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 202104845 - 2⁴ = 202104829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24239 + ... + 31491.

It is an arithmetic number, because the mean of its divisors is an integer number (30325347).

Almost surely, 2^202104845 is an apocalyptic number.

It is an amenable number.

202104845 is a deficient number, since it is larger than the sum of its proper divisors (40497931).

202104845 is an equidigital number, since it uses as much as digits as its factorization.

202104845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 202104845 is about 14216.3583592986. The cubic root of 202104845 is about 586.8479271964.

The spelling of 202104845 in words is "two hundred two million, one hundred four thousand, eight hundred forty-five".