144140420422 has 8 divisors (see below), whose sum is σ = 220290076656. Its totient is φ = 70710394872.

The previous prime is 144140420387. The next prime is 144140420441. The reversal of 144140420422 is 224024041441.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679907538 + ... + 679907749.

It is an arithmetic number, because the mean of its divisors is an integer number (27536259582).

Almost surely, 2^144140420422 is an apocalyptic number.

144140420422 is a deficient number, since it is larger than the sum of its proper divisors (76149656234).

144140420422 is a wasteful number, since it uses less digits than its factorization.

144140420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359815342.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 144140420422 its reverse (224024041441), we get a palindrome (368164461863).

The spelling of 144140420422 in words is "one hundred forty-four billion, one hundred forty million, four hundred twenty thousand, four hundred twenty-two".