144421322011 has 8 divisors (see below), whose sum is σ = 152923634640. Its totient is φ = 135919780608.

The previous prime is 144421321991. The next prime is 144421322039. The reversal of 144421322011 is 110223124441.

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 144421322011 - 2¹³ = 144421313819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144428322011) 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, 217735 + ... + 579871.

It is an arithmetic number, because the mean of its divisors is an integer number (19115454330).

Almost surely, 2^144421322011 is an apocalyptic number.

144421322011 is a deficient number, since it is larger than the sum of its proper divisors (8502312629).

144421322011 is a wasteful number, since it uses less digits than its factorization.

144421322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385613.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 144421322011 its reverse (110223124441), we get a palindrome (254644446452).

The spelling of 144421322011 in words is "one hundred forty-four billion, four hundred twenty-one million, three hundred twenty-two thousand, eleven".