144396 has 48 divisors (see below), whose sum is σ = 430080. Its totient is φ = 41040.

The previous prime is 144383. The next prime is 144407. The reversal of 144396 is 693441.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

144396 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 in 15 ways as a sum of consecutive naturals, for example, 661 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (8960).

2¹⁴⁴³⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215040).

144396 is an abundant number, since it is smaller than the sum of its proper divisors (285684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144396 is a wasteful number, since it uses less digits than its factorization.

144396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 203 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 144396 is about 379.9947368057. The cubic root of 144396 is about 52.4628308339.

The spelling of 144396 in words is "one hundred forty-four thousand, three hundred ninety-six".