144813141485 has 4 divisors (see below), whose sum is σ = 173775769788. Its totient is φ = 115850513184.

The previous prime is 144813141463. The next prime is 144813141509. The reversal of 144813141485 is 584141318441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584141318441 = 2663 ⋅219354607.

It can be written as a sum of positive squares in 2 ways, for example, as 50537737636 + 94275403849 = 224806^2 + 307043^2 .

It is a cyclic number.

It is not a de Polignac number, because 144813141485 - 2¹⁶ = 144813075949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14481314144 + ... + 14481314153.

It is an arithmetic number, because the mean of its divisors is an integer number (43443942447).

Almost surely, 2^144813141485 is an apocalyptic number.

It is an amenable number.

144813141485 is a deficient number, since it is larger than the sum of its proper divisors (28962628303).

144813141485 is an equidigital number, since it uses as much as digits as its factorization.

144813141485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28962628302.

The product of its digits is 245760, while the sum is 44.

The spelling of 144813141485 in words is "one hundred forty-four billion, eight hundred thirteen million, one hundred forty-one thousand, four hundred eighty-five".