144642516311 has 4 divisors (see below), whose sum is σ = 150931321392. Its totient is φ = 138353711232.

The previous prime is 144642516241. The next prime is 144642516371. The reversal of 144642516311 is 113615246441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113615246441 = 13841 ⋅8208601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144642516311 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 (144642516371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3144402506 + ... + 3144402551.

It is an arithmetic number, because the mean of its divisors is an integer number (37732830348).

Almost surely, 2^144642516311 is an apocalyptic number.

144642516311 is a deficient number, since it is larger than the sum of its proper divisors (6288805081).

144642516311 is an equidigital number, since it uses as much as digits as its factorization.

144642516311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6288805080.

The product of its digits is 69120, while the sum is 38.

The spelling of 144642516311 in words is "one hundred forty-four billion, six hundred forty-two million, five hundred sixteen thousand, three hundred eleven".