142242435543401 has 2 divisors, whose sum is σ = 142242435543402. Its totient is φ = 142242435543400.

The previous prime is 142242435543353. The next prime is 142242435543409. The reversal of 142242435543401 is 104345534242241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137164853827600 + 5077581715801 = 11711740^2 + 2253349^2 .

It is a cyclic number.

It is not a de Polignac number, because 142242435543401 - 2⁴² = 137844389032297 is a prime.

It is not a weakly prime, because it can be changed into another prime (142242435543409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71121217771700 + 71121217771701.

It is an arithmetic number, because the mean of its divisors is an integer number (71121217771701).

Almost surely, 2^{142242435543401} is an apocalyptic number.

It is an amenable number.

142242435543401 is a deficient number, since it is larger than the sum of its proper divisors (1).

142242435543401 is an equidigital number, since it uses as much as digits as its factorization.

142242435543401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 142242435543401 its reverse (104345534242241), we get a palindrome (246587969785642).

The spelling of 142242435543401 in words is "one hundred forty-two trillion, two hundred forty-two billion, four hundred thirty-five million, five hundred forty-three thousand, four hundred one".