144642312155 has 8 divisors (see below), whose sum is σ = 189349935984. Its totient is φ = 105194408800.

The previous prime is 144642312127. The next prime is 144642312161. The reversal of 144642312155 is 551213246441.

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

It is not a de Polignac number, because 144642312155 - 2⁶ = 144642312091 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314930056 + ... + 1314930165.

It is an arithmetic number, because the mean of its divisors is an integer number (23668741998).

Almost surely, 2^144642312155 is an apocalyptic number.

144642312155 is a deficient number, since it is larger than the sum of its proper divisors (44707623829).

144642312155 is a wasteful number, since it uses less digits than its factorization.

144642312155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629860237.

The product of its digits is 115200, while the sum is 38.

Adding to 144642312155 its reverse (551213246441), we get a palindrome (695855558596).

The spelling of 144642312155 in words is "one hundred forty-four billion, six hundred forty-two million, three hundred twelve thousand, one hundred fifty-five".