144642211220135 has 8 divisors (see below), whose sum is σ = 174676199028576. Its totient is φ = 114976738599840.

The previous prime is 144642211220033. The next prime is 144642211220149. The reversal of 144642211220135 is 531022112246441.

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

It is not a de Polignac number, because 144642211220135 - 2¹⁶ = 144642211154599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92128796171 + ... + 92128797740.

It is an arithmetic number, because the mean of its divisors is an integer number (21834524878572).

Almost surely, 2^{144642211220135} is an apocalyptic number.

144642211220135 is a deficient number, since it is larger than the sum of its proper divisors (30033987808441).

144642211220135 is a wasteful number, since it uses less digits than its factorization.

144642211220135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184257594073.

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 144642211220135 its reverse (531022112246441), we get a palindrome (675664323466576).

The spelling of 144642211220135 in words is "one hundred forty-four trillion, six hundred forty-two billion, two hundred eleven million, two hundred twenty thousand, one hundred thirty-five".