144121343421 has 8 divisors (see below), whose sum is σ = 209631045024. Its totient is φ = 87346268720.

The previous prime is 144121343381. The next prime is 144121343449. The reversal of 144121343421 is 124343121441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144121343421 - 2⁶ = 144121343357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144121393421) 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, 2183656686 + ... + 2183656751.

It is an arithmetic number, because the mean of its divisors is an integer number (26203880628).

Almost surely, 2^144121343421 is an apocalyptic number.

144121343421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144121343421 is a deficient number, since it is larger than the sum of its proper divisors (65509701603).

144121343421 is a wasteful number, since it uses less digits than its factorization.

144121343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367313451.

The product of its digits is 9216, while the sum is 30.

Adding to 144121343421 its reverse (124343121441), we get a palindrome (268464464862).

The spelling of 144121343421 in words is "one hundred forty-four billion, one hundred twenty-one million, three hundred forty-three thousand, four hundred twenty-one".