144478306456 has 32 divisors (see below), whose sum is σ = 295622498880. Its totient is φ = 65650026400.

The previous prime is 144478306451. The next prime is 144478306493. The reversal of 144478306456 is 654603874441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144478306451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7666 + ... + 537601.

It is an arithmetic number, because the mean of its divisors is an integer number (9238203090).

Almost surely, 2^144478306456 is an apocalyptic number.

It is an amenable number.

144478306456 is an abundant number, since it is smaller than the sum of its proper divisors (151144192424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144478306456 is a wasteful number, since it uses less digits than its factorization.

144478306456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548295 (or 548291 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 144478306456 in words is "one hundred forty-four billion, four hundred seventy-eight million, three hundred six thousand, four hundred fifty-six".