142455212005 has 8 divisors (see below), whose sum is σ = 175566423672. Its totient is φ = 110884056768.

The previous prime is 142455211993. The next prime is 142455212023. The reversal of 142455212005 is 500212554241.

It can be written as a sum of positive squares in 4 ways, for example, as 18214471521 + 124240740484 = 134961^2 + 352478^2 .

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 142455212005 - 2⁵ = 142455211973 is a prime.

It is a super-2 number, since 2×142455212005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 385013902 + ... + 385014271.

It is an arithmetic number, because the mean of its divisors is an integer number (21945802959).

Almost surely, 2^142455212005 is an apocalyptic number.

It is an amenable number.

142455212005 is a deficient number, since it is larger than the sum of its proper divisors (33111211667).

142455212005 is an equidigital number, since it uses as much as digits as its factorization.

142455212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770028215.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 142455212005 its reverse (500212554241), we get a palindrome (642667766246).

The spelling of 142455212005 in words is "one hundred forty-two billion, four hundred fifty-five million, two hundred twelve thousand, five".