144633213 has 12 divisors (see below), whose sum is σ = 209040000. Its totient is φ = 96364296.

The previous prime is 144633191. The next prime is 144633217. The reversal of 144633213 is 312336441.

144633213 is a `hidden beast` number, since 1 + 4 + 4 + 633 + 21 + 3 = 666.

It is not a de Polignac number, because 144633213 - 2¹² = 144629117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144633217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15538 + ... + 23036.

It is an arithmetic number, because the mean of its divisors is an integer number (17420000).

Almost surely, 2^144633213 is an apocalyptic number.

It is an amenable number.

144633213 is a deficient number, since it is larger than the sum of its proper divisors (64406787).

144633213 is a wasteful number, since it uses less digits than its factorization.

144633213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9648 (or 9645 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 144633213 is about 12026.3549340604. The cubic root of 144633213 is about 524.9154367200.

Adding to 144633213 its reverse (312336441), we get a palindrome (456969654).

The spelling of 144633213 in words is "one hundred forty-four million, six hundred thirty-three thousand, two hundred thirteen".