144161441 has 4 divisors (see below), whose sum is σ = 145588884. Its totient is φ = 142734000.

The previous prime is 144161429. The next prime is 144161443.

144161441 is nontrivially palindromic in base 10.

144161441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88435216 + 55726225 = 9404^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 144161441 - 2¹⁰ = 144160417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144161441.

It is not an unprimeable number, because it can be changed into a prime (144161443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713570 + ... + 713771.

It is an arithmetic number, because the mean of its divisors is an integer number (36397221).

Almost surely, 2^144161441 is an apocalyptic number.

It is an amenable number.

144161441 is a deficient number, since it is larger than the sum of its proper divisors (1427443).

144161441 is a wasteful number, since it uses less digits than its factorization.

144161441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427442.

The product of its digits is 1536, while the sum is 26.

The square root of 144161441 is about 12006.7248240309. The cubic root of 144161441 is about 524.3440830532.

The spelling of 144161441 in words is "one hundred forty-four million, one hundred sixty-one thousand, four hundred forty-one".