142200775 has 12 divisors (see below), whose sum is σ = 182410200. Its totient is φ = 109837280.

The previous prime is 142200761. The next prime is 142200781. The reversal of 142200775 is 577002241.

It is not a de Polignac number, because 142200775 - 2⁹ = 142200263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97345 + ... + 98794.

It is an arithmetic number, because the mean of its divisors is an integer number (15200850).

Almost surely, 2^142200775 is an apocalyptic number.

142200775 is a deficient number, since it is larger than the sum of its proper divisors (40209425).

142200775 is a wasteful number, since it uses less digits than its factorization.

142200775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196178 (or 196173 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 142200775 is about 11924.7966439684. The cubic root of 142200775 is about 521.9561123880.

The spelling of 142200775 in words is "one hundred forty-two million, two hundred thousand, seven hundred seventy-five".