144210013 has 4 divisors (see below), whose sum is σ = 144278908. Its totient is φ = 144141120.

The previous prime is 144209987. The next prime is 144210029. The reversal of 144210013 is 310012441.

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 124478649 + 19731364 = 11157^2 + 4442^2 .

It is a cyclic number.

It is not a de Polignac number, because 144210013 - 2²⁵ = 110655581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144210413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31206 + ... + 35527.

It is an arithmetic number, because the mean of its divisors is an integer number (36069727).

Almost surely, 2^144210013 is an apocalyptic number.

It is an amenable number.

144210013 is a deficient number, since it is larger than the sum of its proper divisors (68895).

144210013 is an equidigital number, since it uses as much as digits as its factorization.

144210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68894.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 144210013 is about 12008.7473534920. The cubic root of 144210013 is about 524.4029651436.

Adding to 144210013 its reverse (310012441), we get a palindrome (454222454).

The spelling of 144210013 in words is "one hundred forty-four million, two hundred ten thousand, thirteen".