144040014231421 has 32 divisors (see below), whose sum is σ = 191923089196032. Its totient is φ = 104649420860160.

The previous prime is 144040014231401. The next prime is 144040014231461. The reversal of 144040014231421 is 124132410040441.

It is not a de Polignac number, because 144040014231421 - 2⁹ = 144040014230909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040014231401) 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, 514057171 + ... + 514337296.

It is an arithmetic number, because the mean of its divisors is an integer number (5997596537376).

Almost surely, 2^{144040014231421} is an apocalyptic number.

144040014231421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144040014231421 is a deficient number, since it is larger than the sum of its proper divisors (47883074964611).

144040014231421 is a wasteful number, since it uses less digits than its factorization.

144040014231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028394609.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 144040014231421 its reverse (124132410040441), we get a palindrome (268172424271862).

The spelling of 144040014231421 in words is "one hundred forty-four trillion, forty billion, fourteen million, two hundred thirty-one thousand, four hundred twenty-one".