101144 has 16 divisors (see below), whose sum is σ = 194400. Its totient is φ = 49312.

The previous prime is 101141. The next prime is 101149. The reversal of 101144 is 441101.

101144 = T₁₅₅ + T₁₅₆ + ... + T₁₆₂.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 101144.

It is not an unprimeable number, because it can be changed into a prime (101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 510.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

2¹⁰¹¹⁴⁴ is an apocalyptic number.

It is an amenable number.

101144 is a deficient number, since it is larger than the sum of its proper divisors (93256).

101144 is a wasteful number, since it uses less digits than its factorization.

101144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 101144 is about 318.0314449862. The cubic root of 101144 is about 46.5922168904.

Adding to 101144 its reverse (441101), we get a palindrome (542245).

The spelling of 101144 in words is "one hundred one thousand, one hundred forty-four", and thus it is an iban number.