2142435161 has 4 divisors (see below), whose sum is σ = 2200338852. Its totient is φ = 2084531472.

The previous prime is 2142435143. The next prime is 2142435179. The reversal of 2142435161 is 1615342412.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2142435143) and next prime (2142435179).

It can be written as a sum of positive squares in 2 ways, for example, as 1811013136 + 331422025 = 42556^2 + 18205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142435161 - 2¹⁸ = 2142173017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142435101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28951790 + ... + 28951863.

It is an arithmetic number, because the mean of its divisors is an integer number (550084713).

Almost surely, 2^2142435161 is an apocalyptic number.

It is an amenable number.

2142435161 is a deficient number, since it is larger than the sum of its proper divisors (57903691).

2142435161 is an equidigital number, since it uses as much as digits as its factorization.

2142435161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57903690.

The product of its digits is 5760, while the sum is 29.

The square root of 2142435161 is about 46286.4468392207. The cubic root of 2142435161 is about 1289.1473565544.

Adding to 2142435161 its reverse (1615342412), we get a palindrome (3757777573).

The spelling of 2142435161 in words is "two billion, one hundred forty-two million, four hundred thirty-five thousand, one hundred sixty-one".