142341501681 has 24 divisors (see below), whose sum is σ = 213211427520. Its totient is φ = 91433196576.

The previous prime is 142341501671. The next prime is 142341501703. The reversal of 142341501681 is 186105143241.

142341501681 is a `hidden beast` number, since 1 + 42 + 34 + 1 + 501 + 6 + 81 = 666.

It is not a de Polignac number, because 142341501681 - 2¹⁰ = 142341500657 is a prime.

It is a super-2 number, since 2×142341501681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142341501611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2040711 + ... + 2109308.

It is an arithmetic number, because the mean of its divisors is an integer number (8883809480).

Almost surely, 2^142341501681 is an apocalyptic number.

It is an amenable number.

142341501681 is a deficient number, since it is larger than the sum of its proper divisors (70869925839).

142341501681 is a wasteful number, since it uses less digits than its factorization.

142341501681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150165 (or 4150162 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 142341501681 in words is "one hundred forty-two billion, three hundred forty-one million, five hundred one thousand, six hundred eighty-one".