144749799439 has 16 divisors (see below), whose sum is σ = 171751864320. Its totient is φ = 119374886880.

The previous prime is 144749799437. The next prime is 144749799451. The reversal of 144749799439 is 934997947441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144749799439 - 2¹ = 144749799437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144749799437) 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, 1890349 + ... + 1965430.

It is an arithmetic number, because the mean of its divisors is an integer number (10734491520).

Almost surely, 2^144749799439 is an apocalyptic number.

144749799439 is a deficient number, since it is larger than the sum of its proper divisors (27002064881).

144749799439 is a wasteful number, since it uses less digits than its factorization.

144749799439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855990.

The product of its digits is 246903552, while the sum is 70.

The spelling of 144749799439 in words is "one hundred forty-four billion, seven hundred forty-nine million, seven hundred ninety-nine thousand, four hundred thirty-nine".