142755271 has 4 divisors (see below), whose sum is σ = 142816752. Its totient is φ = 142693792.

The previous prime is 142755259. The next prime is 142755289. The reversal of 142755271 is 172557241.

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 142755271 - 2⁷ = 142755143 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 (142755211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27115 + ... + 31948.

It is an arithmetic number, because the mean of its divisors is an integer number (35704188).

Almost surely, 2^142755271 is an apocalyptic number.

142755271 is a deficient number, since it is larger than the sum of its proper divisors (61481).

142755271 is an equidigital number, since it uses as much as digits as its factorization.

142755271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61480.

The product of its digits is 19600, while the sum is 34.

The square root of 142755271 is about 11948.0237277970. The cubic root of 142755271 is about 522.6336689367.

The spelling of 142755271 in words is "one hundred forty-two million, seven hundred fifty-five thousand, two hundred seventy-one".