105434149 has 2 divisors, whose sum is σ = 105434150. Its totient is φ = 105434148.

The previous prime is 105434107. The next prime is 105434159. The reversal of 105434149 is 941434501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76003524 + 29430625 = 8718^2 + 5425^2 .

It is a cyclic number.

It is not a de Polignac number, because 105434149 - 2¹¹ = 105432101 is a prime.

It is a super-2 number, since 2×105434149² = 22232719550708402, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 105434149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105434159) 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, 52717074 + 52717075.

It is an arithmetic number, because the mean of its divisors is an integer number (52717075).

Almost surely, 2^105434149 is an apocalyptic number.

It is an amenable number.

105434149 is a deficient number, since it is larger than the sum of its proper divisors (1).

105434149 is an equidigital number, since it uses as much as digits as its factorization.

105434149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 105434149 is about 10268.1132151920. The cubic root of 105434149 is about 472.4187204703.

The spelling of 105434149 in words is "one hundred five million, four hundred thirty-four thousand, one hundred forty-nine".