144429 has 8 divisors (see below), whose sum is σ = 198912. Its totient is φ = 93120.

The previous prime is 144427. The next prime is 144439. The reversal of 144429 is 924441.

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

It is not a de Polignac number, because 144429 - 2¹ = 144427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144399 and 144408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144427) 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, 684 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (24864).

2¹⁴⁴⁴²⁹ is an apocalyptic number.

It is an amenable number.

144429 is a deficient number, since it is larger than the sum of its proper divisors (54483).

144429 is a wasteful number, since it uses less digits than its factorization.

144429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587.

The product of its digits is 1152, while the sum is 24.

The square root of 144429 is about 380.0381559791. The cubic root of 144429 is about 52.4668271162.

Adding to 144429 its sum of digits (24), we get a triangular number (144453 = T₅₃₇).

It can be divided in two parts, 144 and 429, that multiplied together give a triangular number (61776 = T₃₅₁).

The spelling of 144429 in words is "one hundred forty-four thousand, four hundred twenty-nine".