144471447 has 12 divisors (see below), whose sum is σ = 208794040. Its totient is φ = 96262128.

The previous prime is 144471433. The next prime is 144471449. The reversal of 144471447 is 744174441.

144471447 is a `hidden beast` number, since 144 + 4 + 71 + 447 = 666.

It is not a de Polignac number, because 144471447 - 2¹⁹ = 143947159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144471449) 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, 20913 + ... + 26949.

Almost surely, 2^144471447 is an apocalyptic number.

144471447 is a deficient number, since it is larger than the sum of its proper divisors (64322593).

144471447 is a wasteful number, since it uses less digits than its factorization.

144471447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702 (or 8699 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 144471447 is about 12019.6275732653. The cubic root of 144471447 is about 524.7196653021.

The spelling of 144471447 in words is "one hundred forty-four million, four hundred seventy-one thousand, four hundred forty-seven".