142001195 has 32 divisors (see below), whose sum is σ = 204180480. Its totient is φ = 92695680.

The previous prime is 142001177. The next prime is 142001201. The reversal of 142001195 is 591100241.

It is a happy number.

It is not a de Polignac number, because 142001195 - 2¹² = 141997099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 142001195.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 337085 + ... + 337505.

It is an arithmetic number, because the mean of its divisors is an integer number (6380640).

Almost surely, 2^142001195 is an apocalyptic number.

142001195 is a deficient number, since it is larger than the sum of its proper divisors (62179285).

142001195 is a wasteful number, since it uses less digits than its factorization.

142001195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 142001195 is about 11916.4254287937. The cubic root of 142001195 is about 521.7118081068.

The spelling of 142001195 in words is "one hundred forty-two million, one thousand, one hundred ninety-five".