144454447055 has 16 divisors (see below), whose sum is σ = 183615198624. Its totient is φ = 108722396160.

The previous prime is 144454447051. The next prime is 144454447061. The reversal of 144454447055 is 550744454441.

It is not a de Polignac number, because 144454447055 - 2² = 144454447051 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 (144454447051) 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, 122777 + ... + 551346.

It is an arithmetic number, because the mean of its divisors is an integer number (11475949914).

Almost surely, 2^144454447055 is an apocalyptic number.

144454447055 is a deficient number, since it is larger than the sum of its proper divisors (39160751569).

144454447055 is a wasteful number, since it uses less digits than its factorization.

144454447055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676666.

The product of its (nonzero) digits is 3584000, while the sum is 47.

The spelling of 144454447055 in words is "one hundred forty-four billion, four hundred fifty-four million, four hundred forty-seven thousand, fifty-five".