144501533611449 has 16 divisors (see below), whose sum is σ = 221465603955072. Its totient is φ = 82095008358528.

The previous prime is 144501533611403. The next prime is 144501533611481. The reversal of 144501533611449 is 944116335105441.

It is not a de Polignac number, because 144501533611449 - 2¹³ = 144501533603257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144501533610449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19887353044 + ... + 19887360309.

It is an arithmetic number, because the mean of its divisors is an integer number (13841600247192).

Almost surely, 2^{144501533611449} is an apocalyptic number.

It is an amenable number.

144501533611449 is a deficient number, since it is larger than the sum of its proper divisors (76964070343623).

144501533611449 is a wasteful number, since it uses less digits than its factorization.

144501533611449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39774713536.

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 144501533611449 in words is "one hundred forty-four trillion, five hundred one billion, five hundred thirty-three million, six hundred eleven thousand, four hundred forty-nine".