142304193 has 12 divisors (see below), whose sum is σ = 205760100. Its totient is φ = 94772736.

The previous prime is 142304159. The next prime is 142304209. The reversal of 142304193 is 391403241.

142304193 is a `hidden beast` number, since 14 + 230 + 419 + 3 = 666.

142304193 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 102576384 + 39727809 = 10128^2 + 6303^2 .

It is a de Polignac number, because none of the positive numbers 2^k-142304193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142304143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1905 + ... + 16977.

It is an arithmetic number, because the mean of its divisors is an integer number (17146675).

Almost surely, 2^142304193 is an apocalyptic number.

It is an amenable number.

142304193 is a deficient number, since it is larger than the sum of its proper divisors (63455907).

142304193 is a wasteful number, since it uses less digits than its factorization.

142304193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16128 (or 16125 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 142304193 is about 11929.1321142822. The cubic root of 142304193 is about 522.0826156287.

The spelling of 142304193 in words is "one hundred forty-two million, three hundred four thousand, one hundred ninety-three".