144444404021401 has 8 divisors (see below), whose sum is σ = 157635019386144. Its totient is φ = 131263672974720.

The previous prime is 144444404021399. The next prime is 144444404021441. The reversal of 144444404021401 is 104120404444441.

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

It is not a de Polignac number, because 144444404021401 - 2¹ = 144444404021399 is a prime.

It is a super-3 number, since 3×144444404021401³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144444404021441) 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, 2471048955 + ... + 2471107408.

It is an arithmetic number, because the mean of its divisors is an integer number (19704377423268).

Almost surely, 2^{144444404021401} is an apocalyptic number.

144444404021401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144444404021401 is a deficient number, since it is larger than the sum of its proper divisors (13190615364743).

144444404021401 is a wasteful number, since it uses less digits than its factorization.

144444404021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942159031.

The product of its (nonzero) digits is 131072, while the sum is 37.

Adding to 144444404021401 its reverse (104120404444441), we get a palindrome (248564808465842).

The spelling of 144444404021401 in words is "one hundred forty-four trillion, four hundred forty-four billion, four hundred four million, twenty-one thousand, four hundred one".