144323161 has 2 divisors, whose sum is σ = 144323162. Its totient is φ = 144323160.

The previous prime is 144323143. The next prime is 144323177. The reversal of 144323161 is 161323441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 24552025 = 10944^2 + 4955^2 .

It is a cyclic number.

It is not a de Polignac number, because 144323161 - 2⁵ = 144323129 is a prime.

It is not a weakly prime, because it can be changed into another prime (144323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161580 + 72161581.

It is an arithmetic number, because the mean of its divisors is an integer number (72161581).

Almost surely, 2^144323161 is an apocalyptic number.

It is an amenable number.

144323161 is a deficient number, since it is larger than the sum of its proper divisors (1).

144323161 is an equidigital number, since it uses as much as digits as its factorization.

144323161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 144323161 is about 12013.4574956588. The cubic root of 144323161 is about 524.5400791437.

The spelling of 144323161 in words is "one hundred forty-four million, three hundred twenty-three thousand, one hundred sixty-one".