144032213 has 16 divisors (see below), whose sum is σ = 157597440. Its totient is φ = 130840704.

The previous prime is 144032209. The next prime is 144032227. The reversal of 144032213 is 312230441.

It is a cyclic number.

It is not a de Polignac number, because 144032213 - 2² = 144032209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144032243) 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, 351953 + ... + 352361.

It is an arithmetic number, because the mean of its divisors is an integer number (9849840).

Almost surely, 2^144032213 is an apocalyptic number.

144032213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144032213 is a deficient number, since it is larger than the sum of its proper divisors (13565227).

144032213 is a wasteful number, since it uses less digits than its factorization.

144032213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 144032213 is about 12001.3421332783. The cubic root of 144032213 is about 524.1873601604.

Adding to 144032213 its reverse (312230441), we get a palindrome (456262654).

The spelling of 144032213 in words is "one hundred forty-four million, thirty-two thousand, two hundred thirteen".