100002544 has 20 divisors (see below), whose sum is σ = 193911696. Its totient is φ = 49960832.

The previous prime is 100002541. The next prime is 100002569. The reversal of 100002544 is 445200001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32997 + ... + 35899.

Almost surely, 2^100002544 is an apocalyptic number.

It is an amenable number.

100002544 is a deficient number, since it is larger than the sum of its proper divisors (93909152).

100002544 is a wasteful number, since it uses less digits than its factorization.

100002544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 100002544 is about 10000.1271991910. The cubic root of 100002544 is about 464.1628193952.

Adding to 100002544 its reverse (445200001), we get a palindrome (545202545).

It can be divided in two parts, 10000 and 2544, that added together give a square (12544 = 112²).

The spelling of 100002544 in words is "one hundred million, two thousand, five hundred forty-four".