144897 has 4 divisors (see below), whose sum is σ = 193200. Its totient is φ = 96596.

The previous prime is 144889. The next prime is 144899. The reversal of 144897 is 798441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144897 - 2³ = 144889 is a prime.

It is a D-number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144899) 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, 24147 + ... + 24152.

It is an arithmetic number, because the mean of its divisors is an integer number (48300).

It is a Proth number, since it is equal to 283 ⋅ 2⁹ + 1 and 283 < 2⁹.

2¹⁴⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

144897 is a deficient number, since it is larger than the sum of its proper divisors (48303).

144897 is an equidigital number, since it uses as much as digits as its factorization.

144897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48302.

The product of its digits is 8064, while the sum is 33.

The square root of 144897 is about 380.6533856411. The cubic root of 144897 is about 52.5234362484.

The spelling of 144897 in words is "one hundred forty-four thousand, eight hundred ninety-seven".