144305361 has 16 divisors (see below), whose sum is σ = 225038400. Its totient is φ = 91139904.

The previous prime is 144305353. The next prime is 144305389. The reversal of 144305361 is 163503441.

144305361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144305361 - 2³ = 144305353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144305351) 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, 140136 + ... + 141161.

It is an arithmetic number, because the mean of its divisors is an integer number (14064900).

Almost surely, 2^144305361 is an apocalyptic number.

It is an amenable number.

144305361 is a deficient number, since it is larger than the sum of its proper divisors (80733039).

144305361 is a wasteful number, since it uses less digits than its factorization.

144305361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281325 (or 281319 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 144305361 is about 12012.7166369643. The cubic root of 144305361 is about 524.5185136578.

It can be divided in two parts, 14430 and 5361, that added together give a palindrome (19791).

The spelling of 144305361 in words is "one hundred forty-four million, three hundred five thousand, three hundred sixty-one".