144015402338 has 4 divisors (see below), whose sum is σ = 216023103510. Its totient is φ = 72007701168.

The previous prime is 144015402337. The next prime is 144015402341. The reversal of 144015402338 is 833204510441.

144015402338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833204510441 = 73 ⋅11413760417.

It can be written as a sum of positive squares in only one way, i.e., 132079184329 + 11936218009 = 363427^2 + 109253^2 .

It is a super-2 number, since 2×144015402338² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144015402298 and 144015402307.

It is not an unprimeable number, because it can be changed into a prime (144015402337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36003850583 + ... + 36003850586.

Almost surely, 2^144015402338 is an apocalyptic number.

144015402338 is a deficient number, since it is larger than the sum of its proper divisors (72007701172).

144015402338 is an equidigital number, since it uses as much as digits as its factorization.

144015402338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72007701171.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 144015402338 its reverse (833204510441), we get a palindrome (977219912779).

The spelling of 144015402338 in words is "one hundred forty-four billion, fifteen million, four hundred two thousand, three hundred thirty-eight".