100144243 has 2 divisors, whose sum is σ = 100144244. Its totient is φ = 100144242.

The previous prime is 100144217. The next prime is 100144267. The reversal of 100144243 is 342441001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100144243 - 2⁹ = 100143731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100144243.

It is not a weakly prime, because it can be changed into another prime (100144273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50072121 + 50072122.

It is an arithmetic number, because the mean of its divisors is an integer number (50072122).

Almost surely, 2^100144243 is an apocalyptic number.

100144243 is a deficient number, since it is larger than the sum of its proper divisors (1).

100144243 is an equidigital number, since it uses as much as digits as its factorization.

100144243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 100144243 is about 10007.2095511186. The cubic root of 100144243 is about 464.3819483765.

Adding to 100144243 its reverse (342441001), we get a palindrome (442585244).

The spelling of 100144243 in words is "one hundred million, one hundred forty-four thousand, two hundred forty-three".