144221414442 has 32 divisors (see below), whose sum is σ = 338558381952. Its totient is φ = 40092439104.

The previous prime is 144221414413. The next prime is 144221414443. The reversal of 144221414442 is 244414122441.

It is a super-2 number, since 2×144221414442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144221414443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46401733 + ... + 46404840.

It is an arithmetic number, because the mean of its divisors is an integer number (10579949436).

Almost surely, 2^144221414442 is an apocalyptic number.

144221414442 is an abundant number, since it is smaller than the sum of its proper divisors (194336967510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144221414442 is a wasteful number, since it uses less digits than its factorization.

144221414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92806622.

The product of its digits is 32768, while the sum is 33.

Adding to 144221414442 its reverse (244414122441), we get a palindrome (388635536883).

The spelling of 144221414442 in words is "one hundred forty-four billion, two hundred twenty-one million, four hundred fourteen thousand, four hundred forty-two".