144240101 has 4 divisors (see below), whose sum is σ = 144600204. Its totient is φ = 143880000.

The previous prime is 144240059. The next prime is 144240119. The reversal of 144240101 is 101042441.

It is a Cunningham number, because it is equal to 12010²+1.

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 142802500 + 1437601 = 11950^2 + 1199^2 .

It is a cyclic number.

It is not a de Polignac number, because 144240101 - 2²⁶ = 77131237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144240101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240181) 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, 179450 + ... + 180251.

It is an arithmetic number, because the mean of its divisors is an integer number (36150051).

Almost surely, 2^144240101 is an apocalyptic number.

It is an amenable number.

144240101 is a deficient number, since it is larger than the sum of its proper divisors (360103).

144240101 is an equidigital number, since it uses as much as digits as its factorization.

144240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360102.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 144240101 is about 12010.0000416320. Note that the first 4 decimals coincide. The cubic root of 144240101 is about 524.4394331134.

Adding to 144240101 its reverse (101042441), we get a palindrome (245282542).

The spelling of 144240101 in words is "one hundred forty-four million, two hundred forty thousand, one hundred one".