144471429 has 6 divisors (see below), whose sum is σ = 208680966. Its totient is φ = 96314280.

The previous prime is 144471419. The next prime is 144471433. The reversal of 144471429 is 924174441.

144471429 is a `hidden beast` number, since 144 + 471 + 42 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 11068929 = 11550^2 + 3327^2 .

It is not a de Polignac number, because 144471429 - 2⁹ = 144470917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144471393 and 144471402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144471409) 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 5 ways as a sum of consecutive naturals, for example, 8026182 + ... + 8026199.

It is an arithmetic number, because the mean of its divisors is an integer number (34780161).

Almost surely, 2^144471429 is an apocalyptic number.

It is an amenable number.

144471429 is a deficient number, since it is larger than the sum of its proper divisors (64209537).

144471429 is a wasteful number, since it uses less digits than its factorization.

144471429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16052387 (or 16052384 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 144471429 is about 12019.6268244900. The cubic root of 144471429 is about 524.7196435101.

It can be divided in two parts, 14447 and 1429, that added together give a square (15876 = 126²).

The spelling of 144471429 in words is "one hundred forty-four million, four hundred seventy-one thousand, four hundred twenty-nine".