144182161 has 2 divisors, whose sum is σ = 144182162. Its totient is φ = 144182160.

The previous prime is 144182153. The next prime is 144182177. The reversal of 144182161 is 161281441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137710225 + 6471936 = 11735^2 + 2544^2 .

It is a cyclic number.

It is not a de Polignac number, because 144182161 - 2³ = 144182153 is a prime.

It is a Chen prime.

It is equal to p_8135119 and since 144182161 and 8135119 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144182111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72091080 + 72091081.

It is an arithmetic number, because the mean of its divisors is an integer number (72091081).

Almost surely, 2^144182161 is an apocalyptic number.

It is an amenable number.

144182161 is a deficient number, since it is larger than the sum of its proper divisors (1).

144182161 is an equidigital number, since it uses as much as digits as its factorization.

144182161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 28.

The square root of 144182161 is about 12007.5876428199. The cubic root of 144182161 is about 524.3692027821.

The spelling of 144182161 in words is "one hundred forty-four million, one hundred eighty-two thousand, one hundred sixty-one".