144444213 has 48 divisors (see below), whose sum is σ = 227136000. Its totient is φ = 88172064.

The previous prime is 144444211. The next prime is 144444299. The reversal of 144444213 is 312444441.

144444213 is a `hidden beast` number, since 1 + 4 + 4 + 444 + 213 = 666.

It is not a de Polignac number, because 144444213 - 2¹ = 144444211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1039098 + ... + 1039236.

It is an arithmetic number, because the mean of its divisors is an integer number (4732000).

Almost surely, 2^144444213 is an apocalyptic number.

It is an amenable number.

144444213 is a deficient number, since it is larger than the sum of its proper divisors (82691787).

144444213 is a wasteful number, since it uses less digits than its factorization.

144444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 144444213 is about 12018.4946228719. The cubic root of 144444213 is about 524.6866919737.

Adding to 144444213 its reverse (312444441), we get a palindrome (456888654).

The spelling of 144444213 in words is "one hundred forty-four million, four hundred forty-four thousand, two hundred thirteen".