106445161 has 2 divisors, whose sum is σ = 106445162. Its totient is φ = 106445160.

The previous prime is 106445137. The next prime is 106445179. The reversal of 106445161 is 161544601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81793936 + 24651225 = 9044^2 + 4965^2 .

It is an emirp because it is prime and its reverse (161544601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106445161 - 2⁷ = 106445033 is a prime.

It is a super-2 number, since 2×106445161² = 22661144600631842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106445191) 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 as a sum of consecutive naturals, namely, 53222580 + 53222581.

It is an arithmetic number, because the mean of its divisors is an integer number (53222581).

Almost surely, 2^106445161 is an apocalyptic number.

It is an amenable number.

106445161 is a deficient number, since it is larger than the sum of its proper divisors (1).

106445161 is an equidigital number, since it uses as much as digits as its factorization.

106445161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 106445161 is about 10317.2264199251. The cubic root of 106445161 is about 473.9239330896.

Adding to 106445161 its reverse (161544601), we get a palindrome (267989762).

It can be divided in two parts, 1064 and 45161, that added together give a square (46225 = 215²).

The spelling of 106445161 in words is "one hundred six million, four hundred forty-five thousand, one hundred sixty-one".