14144340 has 144 divisors (see below), whose sum is σ = 48952512. Its totient is φ = 3032064.

The previous prime is 14144327. The next prime is 14144353. The reversal of 14144340 is 4344141.

It is an interprime number because it is at equal distance from previous prime (14144327) and next prime (14144353).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49839 + ... + 50121.

It is an arithmetic number, because the mean of its divisors is an integer number (339948).

Almost surely, 2^14144340 is an apocalyptic number.

14144340 is a gapful number since it is divisible by the number (10) 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 14144340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24476256).

14144340 is an abundant number, since it is smaller than the sum of its proper divisors (34808172).

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

14144340 is a wasteful number, since it uses less digits than its factorization.

14144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 14144340 is about 3760.8961697978. The cubic root of 14144340 is about 241.8396816274.

Adding to 14144340 its reverse (4344141), we get a palindrome (18488481).

The spelling of 14144340 in words is "fourteen million, one hundred forty-four thousand, three hundred forty".