204101144 has 64 divisors (see below), whose sum is σ = 423118080. Its totient is φ = 91728000.

The previous prime is 204101143. The next prime is 204101147. The reversal of 204101144 is 441101402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204101141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 967199 + ... + 967409.

It is an arithmetic number, because the mean of its divisors is an integer number (6611220).

Almost surely, 2^204101144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204101144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211559040).

204101144 is an abundant number, since it is smaller than the sum of its proper divisors (219016936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204101144 is a wasteful number, since it uses less digits than its factorization.

204101144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 204101144 is about 14286.3971665357. The cubic root of 204101144 is about 588.7738049916.

Adding to 204101144 its reverse (441101402), we get a palindrome (645202546).

The spelling of 204101144 in words is "two hundred four million, one hundred one thousand, one hundred forty-four".