142255071831 has 8 divisors (see below), whose sum is σ = 192344886144. Its totient is φ = 93500986040.

The previous prime is 142255071811. The next prime is 142255071839. The reversal of 142255071831 is 138170552241.

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

It is a cyclic number.

It is not a de Polignac number, because 142255071831 - 2⁵ = 142255071799 is a prime.

It is a super-3 number, since 3×142255071831³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 142255071831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142255071839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333931881 + ... + 333932306.

It is an arithmetic number, because the mean of its divisors is an integer number (24043110768).

Almost surely, 2^142255071831 is an apocalyptic number.

142255071831 is a deficient number, since it is larger than the sum of its proper divisors (50089814313).

142255071831 is an equidigital number, since it uses as much as digits as its factorization.

142255071831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667864261.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 142255071831 in words is "one hundred forty-two billion, two hundred fifty-five million, seventy-one thousand, eight hundred thirty-one".