142216035146 has 4 divisors (see below), whose sum is σ = 213324052722. Its totient is φ = 71108017572.

The previous prime is 142216035083. The next prime is 142216035151. The reversal of 142216035146 is 641530612241.

142216035146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 136622640625 + 5593394521 = 369625^2 + 74789^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35554008785 + ... + 35554008788.

Almost surely, 2^142216035146 is an apocalyptic number.

142216035146 is a deficient number, since it is larger than the sum of its proper divisors (71108017576).

142216035146 is an equidigital number, since it uses as much as digits as its factorization.

142216035146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71108017575.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 142216035146 its reverse (641530612241), we get a palindrome (783746647387).

The spelling of 142216035146 in words is "one hundred forty-two billion, two hundred sixteen million, thirty-five thousand, one hundred forty-six".