144445213 has 16 divisors (see below), whose sum is σ = 166459392. Its totient is φ = 124110000.

The previous prime is 144445207. The next prime is 144445247. The reversal of 144445213 is 312544441.

It is a cyclic number.

It is not a de Polignac number, because 144445213 - 2⁹ = 144444701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144445283) 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 15 ways as a sum of consecutive naturals, for example, 9738 + ... + 19588.

It is an arithmetic number, because the mean of its divisors is an integer number (10403712).

Almost surely, 2^144445213 is an apocalyptic number.

It is an amenable number.

144445213 is a deficient number, since it is larger than the sum of its proper divisors (22014179).

144445213 is a wasteful number, since it uses less digits than its factorization.

144445213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its digits is 7680, while the sum is 28.

The square root of 144445213 is about 12018.5362253479. The cubic root of 144445213 is about 524.6879027883.

Adding to 144445213 its reverse (312544441), we get a palindrome (456989654).

The spelling of 144445213 in words is "one hundred forty-four million, four hundred forty-five thousand, two hundred thirteen".