144836 has 6 divisors (see below), whose sum is σ = 253470. Its totient is φ = 72416.

The previous prime is 144829. The next prime is 144839. The reversal of 144836 is 638441.

It can be written as a sum of positive squares in only one way, i.e., 102400 + 42436 = 320^2 + 206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144839) by changing a digit.

144836 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18101 + ... + 18108.

It is an arithmetic number, because the mean of its divisors is an integer number (42245).

2¹⁴⁴⁸³⁶ is an apocalyptic number.

It is an amenable number.

144836 is a deficient number, since it is larger than the sum of its proper divisors (108634).

144836 is a wasteful number, since it uses less digits than its factorization.

144836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36213 (or 36211 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 144836 is about 380.5732518189. The cubic root of 144836 is about 52.5160646228.

The spelling of 144836 in words is "one hundred forty-four thousand, eight hundred thirty-six".