144233838 has 64 divisors (see below), whose sum is σ = 371397120. Its totient is φ = 40637376.

The previous prime is 144233833. The next prime is 144233839. The reversal of 144233838 is 838332441.

It is a happy number.

144233838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144233833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24981 + ... + 30207.

It is an arithmetic number, because the mean of its divisors is an integer number (5803080).

Almost surely, 2^144233838 is an apocalyptic number.

144233838 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144233838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185698560).

144233838 is an abundant number, since it is smaller than the sum of its proper divisors (227163282).

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

144233838 is a wasteful number, since it uses less digits than its factorization.

144233838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318 (or 5312 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 144233838 is about 12009.7392977533. The cubic root of 144233838 is about 524.4318425019.

The spelling of 144233838 in words is "one hundred forty-four million, two hundred thirty-three thousand, eight hundred thirty-eight".