105445049 has 2 divisors, whose sum is σ = 105445050. Its totient is φ = 105445048.

The previous prime is 105445031. The next prime is 105445061. The reversal of 105445049 is 940544501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105431824 + 13225 = 10268^2 + 115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105445049 is a prime.

It is a super-2 number, since 2×105445049² = 22237316717224802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105445349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52722524 + 52722525.

It is an arithmetic number, because the mean of its divisors is an integer number (52722525).

Almost surely, 2^105445049 is an apocalyptic number.

It is an amenable number.

105445049 is a deficient number, since it is larger than the sum of its proper divisors (1).

105445049 is an equidigital number, since it uses as much as digits as its factorization.

105445049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 105445049 is about 10268.6439708464. The cubic root of 105445049 is about 472.4349997836.

The spelling of 105445049 in words is "one hundred five million, four hundred forty-five thousand, forty-nine".