142054120545155 has 48 divisors (see below), whose sum is σ = 215622787633344. Its totient is φ = 89042608247040.

The previous prime is 142054120545143. The next prime is 142054120545173. The reversal of 142054120545155 is 551545021450241.

It is not a de Polignac number, because 142054120545155 - 2¹⁶ = 142054120479619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216181556 + ... + 216837665.

It is an arithmetic number, because the mean of its divisors is an integer number (4492141409028).

Almost surely, 2^{142054120545155} is an apocalyptic number.

142054120545155 is a deficient number, since it is larger than the sum of its proper divisors (73568667088189).

142054120545155 is a wasteful number, since it uses less digits than its factorization.

142054120545155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433019356 (or 433019349 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 44.

Adding to 142054120545155 its reverse (551545021450241), we get a palindrome (693599141995396).

The spelling of 142054120545155 in words is "one hundred forty-two trillion, fifty-four billion, one hundred twenty million, five hundred forty-five thousand, one hundred fifty-five".