144797 has 4 divisors (see below), whose sum is σ = 149820. Its totient is φ = 139776.

The previous prime is 144791. The next prime is 144817. The reversal of 144797 is 797441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797441 = 113 ⋅7057.

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 81796 = 251^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 144797 - 2⁸ = 144541 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144797.

It is not an unprimeable number, because it can be changed into a prime (144791) 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, 2468 + ... + 2525.

It is an arithmetic number, because the mean of its divisors is an integer number (37455).

2¹⁴⁴⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

144797 is a deficient number, since it is larger than the sum of its proper divisors (5023).

144797 is an equidigital number, since it uses as much as digits as its factorization.

144797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022.

The product of its digits is 7056, while the sum is 32.

The square root of 144797 is about 380.5220098759. The cubic root of 144797 is about 52.5113505315.

The spelling of 144797 in words is "one hundred forty-four thousand, seven hundred ninety-seven".