144434421140 has 48 divisors (see below), whose sum is σ = 321425641152. Its totient is φ = 54329350656.

The previous prime is 144434421139. The next prime is 144434421203. The reversal of 144434421140 is 41124434441.

It is a super-2 number, since 2×144434421140² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144434421097 and 144434421106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224639 + ... + 582521.

It is an arithmetic number, because the mean of its divisors is an integer number (6696367524).

Almost surely, 2^144434421140 is an apocalyptic number.

144434421140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144434421140 is an abundant number, since it is smaller than the sum of its proper divisors (176991220012).

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

144434421140 is a wasteful number, since it uses less digits than its factorization.

144434421140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359096 (or 359094 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 144434421140 its reverse (41124434441), we get a palindrome (185558855581).

The spelling of 144434421140 in words is "one hundred forty-four billion, four hundred thirty-four million, four hundred twenty-one thousand, one hundred forty".