100144244 has 6 divisors (see below), whose sum is σ = 175252434. Its totient is φ = 50072120.

The previous prime is 100144243. The next prime is 100144267. The reversal of 100144244 is 442441001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 28944400 = 8438^2 + 5380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100144243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12518027 + ... + 12518034.

It is an arithmetic number, because the mean of its divisors is an integer number (29208739).

Almost surely, 2^100144244 is an apocalyptic number.

It is an amenable number.

100144244 is a deficient number, since it is larger than the sum of its proper divisors (75108190).

100144244 is a wasteful number, since it uses less digits than its factorization.

100144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25036065 (or 25036063 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 100144244 is about 10007.2096010826. The cubic root of 100144244 is about 464.3819499222.

Adding to 100144244 its reverse (442441001), we get a palindrome (542585245).

It can be divided in two parts, 1001 and 44244, that multiplied together give a palindrome (44288244).

The spelling of 100144244 in words is "one hundred million, one hundred forty-four thousand, two hundred forty-four".