105442433 has 2 divisors, whose sum is σ = 105442434. Its totient is φ = 105442432.

The previous prime is 105442427. The next prime is 105442459. The reversal of 105442433 is 334244501.

It is an a-pointer prime, because the next prime (105442459) can be obtained adding 105442433 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 10609 = 10268^2 + 103^2 .

It is an emirp because it is prime and its reverse (334244501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105442433 is a prime.

It is a super-2 number, since 2×105442433² = 22236213353918978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105442033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52721216 + 52721217.

It is an arithmetic number, because the mean of its divisors is an integer number (52721217).

Almost surely, 2^105442433 is an apocalyptic number.

It is an amenable number.

105442433 is a deficient number, since it is larger than the sum of its proper divisors (1).

105442433 is an equidigital number, since it uses as much as digits as its factorization.

105442433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 105442433 is about 10268.5165919913. The cubic root of 105442433 is about 472.4310928507.

Adding to 105442433 its reverse (334244501), we get a palindrome (439686934).

The spelling of 105442433 in words is "one hundred five million, four hundred forty-two thousand, four hundred thirty-three".