142195920377 has 8 divisors (see below), whose sum is σ = 162528021696. Its totient is φ = 121868418672.

The previous prime is 142195920263. The next prime is 142195920403. The reversal of 142195920377 is 773029591241.

It is a happy number.

142195920377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142195920377 - 2²² = 142191726073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142195920577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083398 + ... + 1207535.

It is an arithmetic number, because the mean of its divisors is an integer number (20316002712).

Almost surely, 2^142195920377 is an apocalyptic number.

It is an amenable number.

142195920377 is a deficient number, since it is larger than the sum of its proper divisors (20332101319).

142195920377 is an equidigital number, since it uses as much as digits as its factorization.

142195920377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299807.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 142195920377 in words is "one hundred forty-two billion, one hundred ninety-five million, nine hundred twenty thousand, three hundred seventy-seven".