144212229 has 12 divisors (see below), whose sum is σ = 238064736. Its totient is φ = 82406952.

The previous prime is 144212227. The next prime is 144212269. The reversal of 144212229 is 922212441.

144212229 is a `hidden beast` number, since 14 + 421 + 2 + 229 = 666.

It is not a de Polignac number, because 144212229 - 2¹ = 144212227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144212227) 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, 1144479 + ... + 1144604.

It is an arithmetic number, because the mean of its divisors is an integer number (19838728).

Almost surely, 2^144212229 is an apocalyptic number.

It is an amenable number.

144212229 is a deficient number, since it is larger than the sum of its proper divisors (93852507).

144212229 is a wasteful number, since it uses less digits than its factorization.

144212229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289096 (or 2289093 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 144212229 is about 12008.8396192138. The cubic root of 144212229 is about 524.4056512054.

It can be divided in two parts, 144212 and 229, that added together give a palindrome (144441).

The spelling of 144212229 in words is "one hundred forty-four million, two hundred twelve thousand, two hundred twenty-nine".