144253161 has 18 divisors (see below), whose sum is σ = 225629118. Its totient is φ = 88770240.

The previous prime is 144253159. The next prime is 144253189. The reversal of 144253161 is 161352441.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1904400 + 142348761 = 1380^2 + 11931^2 .

It is not a de Polignac number, because 144253161 - 2¹ = 144253159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144254161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45900 + ... + 48941.

It is an arithmetic number, because the mean of its divisors is an integer number (12534951).

Almost surely, 2^144253161 is an apocalyptic number.

It is an amenable number.

144253161 is a deficient number, since it is larger than the sum of its proper divisors (81375957).

144253161 is a wasteful number, since it uses less digits than its factorization.

144253161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94873 (or 94857 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 144253161 is about 12010.5437428952. The cubic root of 144253161 is about 524.4552608253.

The spelling of 144253161 in words is "one hundred forty-four million, two hundred fifty-three thousand, one hundred sixty-one".