142296191 has 8 divisors (see below), whose sum is σ = 147023520. Its totient is φ = 137615328.

The previous prime is 142296181. The next prime is 142296221. The reversal of 142296191 is 191692241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142296191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142296151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5336 + ... + 17693.

It is an arithmetic number, because the mean of its divisors is an integer number (18377940).

Almost surely, 2^142296191 is an apocalyptic number.

142296191 is a deficient number, since it is larger than the sum of its proper divisors (4727329).

142296191 is a wasteful number, since it uses less digits than its factorization.

142296191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23233.

The product of its digits is 7776, while the sum is 35.

The square root of 142296191 is about 11928.7967121584. The cubic root of 142296191 is about 522.0728295892.

The spelling of 142296191 in words is "one hundred forty-two million, two hundred ninety-six thousand, one hundred ninety-one".