142194068 has 12 divisors (see below), whose sum is σ = 254909172. Its totient is φ = 69362880.

The previous prime is 142194053. The next prime is 142194079. The reversal of 142194068 is 860491241.

It is a happy number.

142194068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 28601104 + 113592964 = 5348^2 + 10658^2 .

It is a congruent 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, 433355 + ... + 433682.

It is an arithmetic number, because the mean of its divisors is an integer number (21242431).

Almost surely, 2^142194068 is an apocalyptic number.

It is an amenable number.

142194068 is a deficient number, since it is larger than the sum of its proper divisors (112715104).

142194068 is a wasteful number, since it uses less digits than its factorization.

142194068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867082 (or 867080 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 142194068 is about 11924.5154199238. The cubic root of 142194068 is about 521.9479061160.

The spelling of 142194068 in words is "one hundred forty-two million, one hundred ninety-four thousand, sixty-eight".