100144244043 has 12 divisors (see below), whose sum is σ = 144659186880. Its totient is φ = 66759880176.

The previous prime is 100144244029. The next prime is 100144244047. The reversal of 100144244043 is 340442441001.

It is not a de Polignac number, because 100144244043 - 2¹⁰ = 100144243019 is a prime.

It is a super-2 number, since 2×100144244043² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100144243998 and 100144244016.

It is not an unprimeable number, because it can be changed into a prime (100144244047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19771 + ... + 447972.

It is an arithmetic number, because the mean of its divisors is an integer number (12054932240).

Almost surely, 2^100144244043 is an apocalyptic number.

100144244043 is a deficient number, since it is larger than the sum of its proper divisors (44514942837).

100144244043 is a wasteful number, since it uses less digits than its factorization.

100144244043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491538 (or 491535 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 100144244043 its reverse (340442441001), we get a palindrome (440586685044).

The spelling of 100144244043 in words is "one hundred billion, one hundred forty-four million, two hundred forty-four thousand, forty-three".