100140544 has 40 divisors (see below), whose sum is σ = 228677328. Its totient is φ = 42915840.

The previous prime is 100140541. The next prime is 100140563. The reversal of 100140544 is 445041001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100140541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10387 + ... + 17554.

Almost surely, 2^100140544 is an apocalyptic number.

100140544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100140544 is an abundant number, since it is smaller than the sum of its proper divisors (128536784).

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

100140544 is an frugal number, since it uses more digits than its factorization.

100140544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966 (or 27950 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 100140544 is about 10007.0247326566. The cubic root of 100140544 is about 464.3762307238.

Adding to 100140544 its reverse (445041001), we get a palindrome (545181545).

The spelling of 100140544 in words is "one hundred million, one hundred forty thousand, five hundred forty-four".