118144843 has 2 divisors, whose sum is σ = 118144844. Its totient is φ = 118144842.

The previous prime is 118144841. The next prime is 118144877. The reversal of 118144843 is 348441811.

It is a happy number.

It is an a-pointer prime, because the next prime (118144877) can be obtained adding 118144843 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118144843 - 2¹ = 118144841 is a prime.

Together with 118144841, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 118144799 and 118144808.

It is not a weakly prime, because it can be changed into another prime (118144841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59072421 + 59072422.

It is an arithmetic number, because the mean of its divisors is an integer number (59072422).

Almost surely, 2^118144843 is an apocalyptic number.

118144843 is a deficient number, since it is larger than the sum of its proper divisors (1).

118144843 is an equidigital number, since it uses as much as digits as its factorization.

118144843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 34.

The square root of 118144843 is about 10869.4453860351. The cubic root of 118144843 is about 490.6874191779.

The spelling of 118144843 in words is "one hundred eighteen million, one hundred forty-four thousand, eight hundred forty-three".