100144044 has 216 divisors, whose sum is σ = 346823568. Its totient is φ = 23950080.

The previous prime is 100144039. The next prime is 100144049. The reversal of 100144044 is 440441001.

It is an interprime number because it is at equal distance from previous prime (100144039) and next prime (100144049).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (100144049) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 252054 + ... + 252450.

Almost surely, 2^100144044 is an apocalyptic number.

100144044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100144044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173411784).

100144044 is an abundant number, since it is smaller than the sum of its proper divisors (246679524).

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

100144044 is a wasteful number, since it uses less digits than its factorization.

100144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 100144044 is about 10007.1996082820. The cubic root of 100144044 is about 464.3816407799.

Adding to 100144044 its reverse (440441001), we get a palindrome (540585045).

It can be divided in two parts, 1001 and 44044, that multiplied together give a palindrome (44088044).

The spelling of 100144044 in words is "one hundred million, one hundred forty-four thousand, forty-four".