102104544 has 96 divisors (see below), whose sum is σ = 282610944. Its totient is φ = 32215040.

The previous prime is 102104543. The next prime is 102104549. The reversal of 102104544 is 445401201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 102104544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102104543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289072 + ... + 289424.

It is an arithmetic number, because the mean of its divisors is an integer number (2943864).

Almost surely, 2^102104544 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 102104544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141305472).

102104544 is an abundant number, since it is smaller than the sum of its proper divisors (180506400).

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

102104544 is a wasteful number, since it uses less digits than its factorization.

102104544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 102104544 is about 10104.6793120811. The cubic root of 102104544 is about 467.3924470667.

Adding to 102104544 its reverse (445401201), we get a palindrome (547505745).

The spelling of 102104544 in words is "one hundred two million, one hundred four thousand, five hundred forty-four".