144434012442421 has 32 divisors (see below), whose sum is σ = 161832247492608. Its totient is φ = 128002184694720.

The previous prime is 144434012442353. The next prime is 144434012442449. The reversal of 144434012442421 is 124244210434441.

It is a cyclic number.

It is not a de Polignac number, because 144434012442421 - 2¹¹ = 144434012440373 is a prime.

It is a super-2 number, since 2×144434012442421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144434012442481) 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, 2580671580 + ... + 2580727546.

It is an arithmetic number, because the mean of its divisors is an integer number (5057257734144).

Almost surely, 2^{144434012442421} is an apocalyptic number.

It is an amenable number.

144434012442421 is a deficient number, since it is larger than the sum of its proper divisors (17398235050187).

144434012442421 is a wasteful number, since it uses less digits than its factorization.

144434012442421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106561.

The product of its (nonzero) digits is 393216, while the sum is 40.

Adding to 144434012442421 its reverse (124244210434441), we get a palindrome (268678222876862).

The spelling of 144434012442421 in words is "one hundred forty-four trillion, four hundred thirty-four billion, twelve million, four hundred forty-two thousand, four hundred twenty-one".