144394 has 16 divisors (see below), whose sum is σ = 234432. Its totient is φ = 66528.

The previous prime is 144383. The next prime is 144407. The reversal of 144394 is 493441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (14652).

2¹⁴⁴³⁹⁴ is an apocalyptic number.

144394 is a deficient number, since it is larger than the sum of its proper divisors (90038).

144394 is a wasteful number, since it uses less digits than its factorization.

144394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its digits is 1728, while the sum is 25.

The square root of 144394 is about 379.9921051811. The cubic root of 144394 is about 52.4625886154.

It can be divided in two parts, 14 and 4394, that multiplied together give a palindrome (61516).

The spelling of 144394 in words is "one hundred forty-four thousand, three hundred ninety-four".