142216195 has 32 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 100464000.

The previous prime is 142216187. The next prime is 142216201. The reversal of 142216195 is 591612241.

It is not a de Polignac number, because 142216195 - 2³ = 142216187 is a prime.

It is a super-2 number, since 2×142216195² = 40450892240556050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308265 + ... + 308725.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^142216195 is an apocalyptic number.

142216195 is a deficient number, since it is larger than the sum of its proper divisors (49384445).

142216195 is a wasteful number, since it uses less digits than its factorization.

142216195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its digits is 4320, while the sum is 31.

The square root of 142216195 is about 11925.4431783477. The cubic root of 142216195 is about 521.9749783713.

The spelling of 142216195 in words is "one hundred forty-two million, two hundred sixteen thousand, one hundred ninety-five".