2142242452143 has 6 divisors (see below), whose sum is σ = 3094350208664. Its totient is φ = 1428161634756.

The previous prime is 2142242452139. The next prime is 2142242452169. The reversal of 2142242452143 is 3412542422412.

2142242452143 is a `hidden beast` number, since 2 + 1 + 4 + 22 + 42 + 452 + 143 = 666.

It is not a de Polignac number, because 2142242452143 - 2² = 2142242452139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142242452098 and 2142242452107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142242452123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119013469555 + ... + 119013469572.

Almost surely, 2^{2142242452143} is an apocalyptic number.

2142242452143 is a deficient number, since it is larger than the sum of its proper divisors (952107756521).

2142242452143 is a wasteful number, since it uses less digits than its factorization.

2142242452143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238026939133 (or 238026939130 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

Adding to 2142242452143 its reverse (3412542422412), we get a palindrome (5554784874555).

The spelling of 2142242452143 in words is "two trillion, one hundred forty-two billion, two hundred forty-two million, four hundred fifty-two thousand, one hundred forty-three".