142501671161 has 4 divisors (see below), whose sum is σ = 144508737024. Its totient is φ = 140494605300.

The previous prime is 142501671157. The next prime is 142501671163. The reversal of 142501671161 is 161176105241.

142501671161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142501671161 - 2² = 142501671157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142501671163) 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 3 ways as a sum of consecutive naturals, for example, 1003532825 + ... + 1003532966.

It is an arithmetic number, because the mean of its divisors is an integer number (36127184256).

Almost surely, 2^142501671161 is an apocalyptic number.

It is an amenable number.

142501671161 is a deficient number, since it is larger than the sum of its proper divisors (2007065863).

142501671161 is an equidigital number, since it uses as much as digits as its factorization.

142501671161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007065862.

The product of its (nonzero) digits is 10080, while the sum is 35.

The spelling of 142501671161 in words is "one hundred forty-two billion, five hundred one million, six hundred seventy-one thousand, one hundred sixty-one".