142413222161 has 24 divisors (see below), whose sum is σ = 168008625864. Its totient is φ = 120342620160.

The previous prime is 142413222139. The next prime is 142413222167. The reversal of 142413222161 is 161222314241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1086097936 + 141327124225 = 32956^2 + 375935^2 .

It is not a de Polignac number, because 142413222161 - 2²⁶ = 142346113297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142413222167) 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, 9410681 + ... + 9425801.

It is an arithmetic number, because the mean of its divisors is an integer number (7000359411).

Almost surely, 2^142413222161 is an apocalyptic number.

It is an amenable number.

142413222161 is a deficient number, since it is larger than the sum of its proper divisors (25595403703).

142413222161 is a wasteful number, since it uses less digits than its factorization.

142413222161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841 (or 17834 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The spelling of 142413222161 in words is "one hundred forty-two billion, four hundred thirteen million, two hundred twenty-two thousand, one hundred sixty-one".