144238336 has 144 divisors (see below), whose sum is σ = 349671168. Its totient is φ = 58572800.

The previous prime is 144238331. The next prime is 144238351. The reversal of 144238336 is 633832441.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144238331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100991 + ... + 1101121.

It is an arithmetic number, because the mean of its divisors is an integer number (2428272).

Almost surely, 2^144238336 is an apocalyptic number.

144238336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144238336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174835584).

144238336 is an abundant number, since it is smaller than the sum of its proper divisors (205432832).

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

144238336 is a wasteful number, since it uses less digits than its factorization.

144238336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 144238336 is about 12009.9265609745. The cubic root of 144238336 is about 524.4372939964.

The spelling of 144238336 in words is "one hundred forty-four million, two hundred thirty-eight thousand, three hundred thirty-six".