144895 has 4 divisors (see below), whose sum is σ = 173880. Its totient is φ = 115912.

The previous prime is 144889. The next prime is 144899. The reversal of 144895 is 598441.

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: 598441 = 379 ⋅1579.

It is a cyclic number.

It is not a de Polignac number, because 144895 - 2³ = 144887 is a prime.

It is a super-2 number, since 2×144895² = 41989122050, which contains 22 as substring.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14485 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (43470).

2¹⁴⁴⁸⁹⁵ is an apocalyptic number.

144895 is a deficient number, since it is larger than the sum of its proper divisors (28985).

144895 is an equidigital number, since it uses as much as digits as its factorization.

144895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28984.

The product of its digits is 5760, while the sum is 31.

The square root of 144895 is about 380.6507585701. The cubic root of 144895 is about 52.5231945886.

The spelling of 144895 in words is "one hundred forty-four thousand, eight hundred ninety-five".