144131224 has 8 divisors (see below), whose sum is σ = 270246060. Its totient is φ = 72065608.

The previous prime is 144131213. The next prime is 144131257. The reversal of 144131224 is 422131441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144131195 and 144131204.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9008194 + ... + 9008209.

Almost surely, 2^144131224 is an apocalyptic number.

It is an amenable number.

144131224 is a deficient number, since it is larger than the sum of its proper divisors (126114836).

144131224 is a wasteful number, since it uses less digits than its factorization.

144131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016409 (or 18016405 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 144131224 is about 12005.4664215931. The cubic root of 144131224 is about 524.3074453962.

Adding to 144131224 its reverse (422131441), we get a palindrome (566262665).

The spelling of 144131224 in words is "one hundred forty-four million, one hundred thirty-one thousand, two hundred twenty-four".