142206162146 has 8 divisors (see below), whose sum is σ = 213552471900. Its totient is φ = 71022004848.

The previous prime is 142206162121. The next prime is 142206162151. The reversal of 142206162146 is 641261602241.

It can be written as a sum of positive squares in 2 ways, for example, as 140745775921 + 1460386225 = 375161^2 + 38215^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40535921 + ... + 40539428.

Almost surely, 2^142206162146 is an apocalyptic number.

142206162146 is a deficient number, since it is larger than the sum of its proper divisors (71346309754).

142206162146 is an equidigital number, since it uses as much as digits as its factorization.

142206162146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81076228.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 142206162146 its reverse (641261602241), we get a palindrome (783467764387).

The spelling of 142206162146 in words is "one hundred forty-two billion, two hundred six million, one hundred sixty-two thousand, one hundred forty-six".