144641036317 has 4 divisors (see below), whose sum is σ = 144642353436. Its totient is φ = 144639719200.

The previous prime is 144641036291. The next prime is 144641036339. The reversal of 144641036317 is 713630146441.

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: 713630146441 = 197 ⋅3622488053.

It can be written as a sum of positive squares in 2 ways, for example, as 47832314436 + 96808721881 = 218706^2 + 311141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144641036317 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144641036317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144641036117) 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, 477184 + ... + 719017.

It is an arithmetic number, because the mean of its divisors is an integer number (36160588359).

Almost surely, 2^144641036317 is an apocalyptic number.

It is an amenable number.

144641036317 is a deficient number, since it is larger than the sum of its proper divisors (1317119).

144641036317 is a wasteful number, since it uses less digits than its factorization.

144641036317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317118.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 144641036317 in words is "one hundred forty-four billion, six hundred forty-one million, thirty-six thousand, three hundred seventeen".