144013402420 has 12 divisors (see below), whose sum is σ = 302428145124. Its totient is φ = 57605360960.

The previous prime is 144013402381. The next prime is 144013402427. The reversal of 144013402420 is 24204310441.

It can be written as a sum of positive squares in 2 ways, for example, as 42447536784 + 101565865636 = 206028^2 + 318694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144013402427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600335041 + ... + 3600335080.

It is an arithmetic number, because the mean of its divisors is an integer number (25202345427).

Almost surely, 2^144013402420 is an apocalyptic number.

144013402420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144013402420 is an abundant number, since it is smaller than the sum of its proper divisors (158414742704).

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

144013402420 is a wasteful number, since it uses less digits than its factorization.

144013402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200670130 (or 7200670128 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 144013402420 its reverse (24204310441), we get a palindrome (168217712861).

The spelling of 144013402420 in words is "one hundred forty-four billion, thirteen million, four hundred two thousand, four hundred twenty".