144403161 has 16 divisors (see below), whose sum is σ = 220284288. Its totient is φ = 82425600.

The previous prime is 144403141. The next prime is 144403183. The reversal of 144403161 is 161304441.

It is not a de Polignac number, because 144403161 - 2⁹ = 144402649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144403121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19041 + ... + 25521.

It is an arithmetic number, because the mean of its divisors is an integer number (13767768).

Almost surely, 2^144403161 is an apocalyptic number.

It is an amenable number.

144403161 is a deficient number, since it is larger than the sum of its proper divisors (75881127).

144403161 is a wasteful number, since it uses less digits than its factorization.

144403161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 144403161 is about 12016.7866337054. The cubic root of 144403161 is about 524.6369807887.

The spelling of 144403161 in words is "one hundred forty-four million, four hundred three thousand, one hundred sixty-one".