144342114421 has 8 divisors (see below), whose sum is σ = 152886749400. Its totient is φ = 135803470848.

The previous prime is 144342114403. The next prime is 144342114443. The reversal of 144342114421 is 124411243441.

It can be written as a sum of positive squares in 4 ways, for example, as 10642191921 + 133699922500 = 103161^2 + 365650^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144342114421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144342114491) 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, 1448196 + ... + 1544653.

It is an arithmetic number, because the mean of its divisors is an integer number (19110843675).

Almost surely, 2^144342114421 is an apocalyptic number.

It is an amenable number.

144342114421 is a deficient number, since it is larger than the sum of its proper divisors (8544634979).

144342114421 is a wasteful number, since it uses less digits than its factorization.

144342114421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995703.

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

Adding to 144342114421 its reverse (124411243441), we get a palindrome (268753357862).

The spelling of 144342114421 in words is "one hundred forty-four billion, three hundred forty-two million, one hundred fourteen thousand, four hundred twenty-one".