144170161 has 2 divisors, whose sum is σ = 144170162. Its totient is φ = 144170160.

The previous prime is 144170137. The next prime is 144170171. The reversal of 144170161 is 161071441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121550625 + 22619536 = 11025^2 + 4756^2 .

It is a cyclic number.

It is not a de Polignac number, because 144170161 - 2¹⁵ = 144137393 is a prime.

It is not a weakly prime, because it can be changed into another prime (144170101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72085080 + 72085081.

It is an arithmetic number, because the mean of its divisors is an integer number (72085081).

Almost surely, 2^144170161 is an apocalyptic number.

It is an amenable number.

144170161 is a deficient number, since it is larger than the sum of its proper divisors (1).

144170161 is an equidigital number, since it uses as much as digits as its factorization.

144170161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 144170161 is about 12007.0879483745. The cubic root of 144170161 is about 524.3546549698.

The spelling of 144170161 in words is "one hundred forty-four million, one hundred seventy thousand, one hundred sixty-one".