105450345181 has 2 divisors, whose sum is σ = 105450345182. Its totient is φ = 105450345180.

The previous prime is 105450345107. The next prime is 105450345227. The reversal of 105450345181 is 181543054501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92943277956 + 12507067225 = 304866^2 + 111835^2 .

It is an emirp because it is prime and its reverse (181543054501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105450345181 - 2¹⁷ = 105450214109 is a prime.

It is a super-2 number, since 2×105450345181² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105450345181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105450346181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52725172590 + 52725172591.

It is an arithmetic number, because the mean of its divisors is an integer number (52725172591).

Almost surely, 2^105450345181 is an apocalyptic number.

It is an amenable number.

105450345181 is a deficient number, since it is larger than the sum of its proper divisors (1).

105450345181 is an equidigital number, since it uses as much as digits as its factorization.

105450345181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 105450345181 its reverse (181543054501), we get a palindrome (286993399682).

The spelling of 105450345181 in words is "one hundred five billion, four hundred fifty million, three hundred forty-five thousand, one hundred eighty-one".