142162212091 has 8 divisors (see below), whose sum is σ = 150001588800. Its totient is φ = 134358550920.

The previous prime is 142162212061. The next prime is 142162212103. The reversal of 142162212091 is 190212261241.

142162212091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142162212091 - 2⁷ = 142162211963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142162212041) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8920705 + ... + 8936626.

It is an arithmetic number, because the mean of its divisors is an integer number (18750198600).

Almost surely, 2^142162212091 is an apocalyptic number.

142162212091 is a deficient number, since it is larger than the sum of its proper divisors (7839376709).

142162212091 is a wasteful number, since it uses less digits than its factorization.

142162212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857769.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 142162212091 in words is "one hundred forty-two billion, one hundred sixty-two million, two hundred twelve thousand, ninety-one".