144555501544 has 8 divisors (see below), whose sum is σ = 271041565410. Its totient is φ = 72277750768.

The previous prime is 144555501521. The next prime is 144555501551. The reversal of 144555501544 is 445105555441.

144555501544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 136892600100 + 7662901444 = 369990^2 + 87538^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144555501544.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9034718839 + ... + 9034718854.

Almost surely, 2^144555501544 is an apocalyptic number.

It is an amenable number.

144555501544 is a deficient number, since it is larger than the sum of its proper divisors (126486063866).

144555501544 is a wasteful number, since it uses less digits than its factorization.

144555501544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18069437699 (or 18069437695 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 43.

The spelling of 144555501544 in words is "one hundred forty-four billion, five hundred fifty-five million, five hundred one thousand, five hundred forty-four".