14144420 has 24 divisors (see below), whose sum is σ = 30395904. Its totient is φ = 5525856.

The previous prime is 14144419. The next prime is 14144423. The reversal of 14144420 is 2444141.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 14144392 and 14144401.

It is not an unprimeable number, because it can be changed into a prime (14144423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7364 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (1266496).

Almost surely, 2^14144420 is an apocalyptic number.

14144420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14144420 is an abundant number, since it is smaller than the sum of its proper divisors (16251484).

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

14144420 is a wasteful number, since it uses less digits than its factorization.

14144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16499 (or 16497 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 14144420 is about 3760.9068055457. The cubic root of 14144420 is about 241.8401375728.

Adding to 14144420 its reverse (2444141), we get a palindrome (16588561).

It can be divided in two parts, 1414 and 4420, that multiplied together give a triangular number (6249880 = T₃₅₃₅).

The spelling of 14144420 in words is "fourteen million, one hundred forty-four thousand, four hundred twenty".