144944863 has 16 divisors (see below), whose sum is σ = 175168000. Its totient is φ = 117160992.

The previous prime is 144944837. The next prime is 144944879. The reversal of 144944863 is 368449441.

It is not a de Polignac number, because 144944863 - 2²⁵ = 111390431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144944803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28078 + ... + 32836.

It is an arithmetic number, because the mean of its divisors is an integer number (10948000).

Almost surely, 2^144944863 is an apocalyptic number.

144944863 is a deficient number, since it is larger than the sum of its proper divisors (30223137).

144944863 is a wasteful number, since it uses less digits than its factorization.

144944863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014.

The product of its digits is 331776, while the sum is 43.

The square root of 144944863 is about 12039.3049217968. The cubic root of 144944863 is about 525.2921886750.

The spelling of 144944863 in words is "one hundred forty-four million, nine hundred forty-four thousand, eight hundred sixty-three".