144881 has 4 divisors (see below), whose sum is σ = 158064. Its totient is φ = 131700.

The previous prime is 144847. The next prime is 144883. The reversal of 144881 is 188441.

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 144881 - 2⁶ = 144817 is a prime.

It is a super-2 number, since 2×144881² = 41981008322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 144881.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144881.

It is not an unprimeable number, because it can be changed into a prime (144883) 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, 6575 + ... + 6596.

It is an arithmetic number, because the mean of its divisors is an integer number (39516).

2¹⁴⁴⁸⁸¹ is an apocalyptic number.

144881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144881 is a deficient number, since it is larger than the sum of its proper divisors (13183).

144881 is a wasteful number, since it uses less digits than its factorization.

144881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13182.

The product of its digits is 1024, while the sum is 26.

The square root of 144881 is about 380.6323685658. The cubic root of 144881 is about 52.5215029075.

The spelling of 144881 in words is "one hundred forty-four thousand, eight hundred eighty-one".