144208602673 has 4 divisors (see below), whose sum is σ = 149181313140. Its totient is φ = 139235892208.

The previous prime is 144208602661. The next prime is 144208602691. The reversal of 144208602673 is 376206802441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 376206802441 = 147347 ⋅2553203.

It can be written as a sum of positive squares in 2 ways, for example, as 102520355344 + 41688247329 = 320188^2 + 204177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144208602673 is a prime.

It is a super-2 number, since 2×144208602673² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144208602653) 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, 2486355190 + ... + 2486355247.

It is an arithmetic number, because the mean of its divisors is an integer number (37295328285).

Almost surely, 2^144208602673 is an apocalyptic number.

It is an amenable number.

144208602673 is a deficient number, since it is larger than the sum of its proper divisors (4972710467).

144208602673 is an equidigital number, since it uses as much as digits as its factorization.

144208602673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972710466.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 144208602673 in words is "one hundred forty-four billion, two hundred eight million, six hundred two thousand, six hundred seventy-three".