144135165853 has 6 divisors (see below), whose sum is σ = 167667437886. Its totient is φ = 123544427832.

The previous prime is 144135165827. The next prime is 144135165877. The reversal of 144135165853 is 358561531441.

It can be written as a sum of positive squares in only one way, i.e., 85046307129 + 59088858724 = 291627^2 + 243082^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144135165853 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 (144135165803) 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 5 ways as a sum of consecutive naturals, for example, 1470766950 + ... + 1470767047.

It is an arithmetic number, because the mean of its divisors is an integer number (27944572981).

Almost surely, 2^144135165853 is an apocalyptic number.

It is an amenable number.

144135165853 is a deficient number, since it is larger than the sum of its proper divisors (23532272033).

144135165853 is an equidigital number, since it uses as much as digits as its factorization.

144135165853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941534011 (or 2941534004 counting only the distinct ones).

The product of its digits is 864000, while the sum is 46.

The spelling of 144135165853 in words is "one hundred forty-four billion, one hundred thirty-five million, one hundred sixty-five thousand, eight hundred fifty-three".