144482191477 has 16 divisors (see below), whose sum is σ = 159479470080. Its totient is φ = 130075267392.

The previous prime is 144482191439. The next prime is 144482191481. The reversal of 144482191477 is 774191284441.

144482191477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144482191477 - 2³¹ = 142334707829 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 (144482191487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644218 + ... + 839035.

It is an arithmetic number, because the mean of its divisors is an integer number (9967466880).

Almost surely, 2^144482191477 is an apocalyptic number.

It is an amenable number.

144482191477 is a deficient number, since it is larger than the sum of its proper divisors (14997278603).

144482191477 is a wasteful number, since it uses less digits than its factorization.

144482191477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483452.

The product of its digits is 1806336, while the sum is 52.

The spelling of 144482191477 in words is "one hundred forty-four billion, four hundred eighty-two million, one hundred ninety-one thousand, four hundred seventy-seven".