144867 has 8 divisors (see below), whose sum is σ = 197824. Its totient is φ = 94248.

The previous prime is 144847. The next prime is 144883. The reversal of 144867 is 768441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144867 - 2⁸ = 144611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (24728).

2¹⁴⁴⁸⁶⁷ is an apocalyptic number.

144867 is a deficient number, since it is larger than the sum of its proper divisors (52957).

144867 is a wasteful number, since it uses less digits than its factorization.

144867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 5376, while the sum is 30.

The square root of 144867 is about 380.6139776729. The cubic root of 144867 is about 52.5198111173.

The spelling of 144867 in words is "one hundred forty-four thousand, eight hundred sixty-seven".