105135443 has 8 divisors (see below), whose sum is σ = 120962400. Its totient is φ = 89510400.

The previous prime is 105135427. The next prime is 105135449. The reversal of 105135443 is 344531501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105135443 - 2⁴ = 105135427 is a prime.

It is a super-2 number, since 2×105135443² = 22106922749612498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105135449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49358 + ... + 51443.

It is an arithmetic number, because the mean of its divisors is an integer number (15120300).

Almost surely, 2^105135443 is an apocalyptic number.

105135443 is a deficient number, since it is larger than the sum of its proper divisors (15826957).

105135443 is a wasteful number, since it uses less digits than its factorization.

105135443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100957.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 105135443 is about 10253.5575777386. The cubic root of 105135443 is about 471.9721612303.

Adding to 105135443 its reverse (344531501), we get a palindrome (449666944).

The spelling of 105135443 in words is "one hundred five million, one hundred thirty-five thousand, four hundred forty-three".