142601440243 has 2 divisors, whose sum is σ = 142601440244. Its totient is φ = 142601440242.

The previous prime is 142601440231. The next prime is 142601440307. The reversal of 142601440243 is 342044106241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142601440243 is a prime.

It is not a weakly prime, because it can be changed into another prime (142601440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71300720121 + 71300720122.

It is an arithmetic number, because the mean of its divisors is an integer number (71300720122).

Almost surely, 2^142601440243 is an apocalyptic number.

142601440243 is a deficient number, since it is larger than the sum of its proper divisors (1).

142601440243 is an equidigital number, since it uses as much as digits as its factorization.

142601440243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 142601440243 its reverse (342044106241), we get a palindrome (484645546484).

The spelling of 142601440243 in words is "one hundred forty-two billion, six hundred one million, four hundred forty thousand, two hundred forty-three".