143642113 has 2 divisors, whose sum is σ = 143642114. Its totient is φ = 143642112.

The previous prime is 143642101. The next prime is 143642119. The reversal of 143642113 is 311246341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72880369 + 70761744 = 8537^2 + 8412^2 .

It is a cyclic number.

It is not a de Polignac number, because 143642113 - 2¹³ = 143633921 is a prime.

It is not a weakly prime, because it can be changed into another prime (143642119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71821056 + 71821057.

It is an arithmetic number, because the mean of its divisors is an integer number (71821057).

Almost surely, 2^143642113 is an apocalyptic number.

It is an amenable number.

143642113 is a deficient number, since it is larger than the sum of its proper divisors (1).

143642113 is an equidigital number, since it uses as much as digits as its factorization.

143642113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 143642113 is about 11985.0787648643. The cubic root of 143642113 is about 523.7136920964.

Adding to 143642113 its reverse (311246341), we get a palindrome (454888454).

The spelling of 143642113 in words is "one hundred forty-three million, six hundred forty-two thousand, one hundred thirteen".