144003213 has 12 divisors (see below), whose sum is σ = 208182780. Its totient is φ = 95919936.

The previous prime is 144003187. The next prime is 144003217. The reversal of 144003213 is 312300441.

It can be written as a sum of positive squares in 2 ways, for example, as 81324324 + 62678889 = 9018^2 + 7917^2 .

It is not a de Polignac number, because 144003213 - 2¹³ = 143995021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144003217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5395 + ... + 17807.

It is an arithmetic number, because the mean of its divisors is an integer number (17348565).

Almost surely, 2^144003213 is an apocalyptic number.

It is an amenable number.

144003213 is a deficient number, since it is larger than the sum of its proper divisors (64179567).

144003213 is a wasteful number, since it uses less digits than its factorization.

144003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13708 (or 13705 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 144003213 is about 12000.1338742532. The cubic root of 144003213 is about 524.1521771656.

Adding to 144003213 its reverse (312300441), we get a palindrome (456303654).

The spelling of 144003213 in words is "one hundred forty-four million, three thousand, two hundred thirteen".