105550142443 has 2 divisors, whose sum is σ = 105550142444. Its totient is φ = 105550142442.

The previous prime is 105550142389. The next prime is 105550142497. The reversal of 105550142443 is 344241055501.

It is a balanced prime because it is at equal distance from previous prime (105550142389) and next prime (105550142497).

It is a cyclic number.

It is not a de Polignac number, because 105550142443 - 2²⁵ = 105516588011 is a prime.

It is a super-2 number, since 2×105550142443² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105550142399 and 105550142408.

It is not a weakly prime, because it can be changed into another prime (105550142843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52775071221 + 52775071222.

It is an arithmetic number, because the mean of its divisors is an integer number (52775071222).

Almost surely, 2^105550142443 is an apocalyptic number.

105550142443 is a deficient number, since it is larger than the sum of its proper divisors (1).

105550142443 is an equidigital number, since it uses as much as digits as its factorization.

105550142443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 105550142443 its reverse (344241055501), we get a palindrome (449791197944).

The spelling of 105550142443 in words is "one hundred five billion, five hundred fifty million, one hundred forty-two thousand, four hundred forty-three".