144153021141538 has 8 divisors (see below), whose sum is σ = 228948915930732. Its totient is φ = 67836715831296.

The previous prime is 144153021141511. The next prime is 144153021141539. The reversal of 144153021141538 is 835141120351441.

It can be written as a sum of positive squares in 2 ways, for example, as 123219257573889 + 20933763567649 = 11100417^2 + 4575343^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144153021141494 and 144153021141503.

It is not an unprimeable number, because it can be changed into a prime (144153021141539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2119897369695 + ... + 2119897369762.

Almost surely, 2^{144153021141538} is an apocalyptic number.

144153021141538 is a deficient number, since it is larger than the sum of its proper divisors (84795894789194).

144153021141538 is a wasteful number, since it uses less digits than its factorization.

144153021141538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239794739476.

The product of its (nonzero) digits is 230400, while the sum is 43.

Adding to 144153021141538 its reverse (835141120351441), we get a palindrome (979294141492979).

The spelling of 144153021141538 in words is "one hundred forty-four trillion, one hundred fifty-three billion, twenty-one million, one hundred forty-one thousand, five hundred thirty-eight".