142355205365543 has 4 divisors (see below), whose sum is σ = 143737294738128. Its totient is φ = 140973115992960.

The previous prime is 142355205365533. The next prime is 142355205365617. The reversal of 142355205365543 is 345563502553241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142355205365543 - 2²⁰ = 142355204316967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142355205365533) 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, 691044686138 + ... + 691044686343.

It is an arithmetic number, because the mean of its divisors is an integer number (35934323684532).

Almost surely, 2^{142355205365543} is an apocalyptic number.

142355205365543 is a deficient number, since it is larger than the sum of its proper divisors (1382089372585).

142355205365543 is a wasteful number, since it uses less digits than its factorization.

142355205365543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382089372584.

The product of its (nonzero) digits is 32400000, while the sum is 53.

The spelling of 142355205365543 in words is "one hundred forty-two trillion, three hundred fifty-five billion, two hundred five million, three hundred sixty-five thousand, five hundred forty-three".