142012433401 has 4 divisors (see below), whose sum is σ = 150366105972. Its totient is φ = 133658760832.

The previous prime is 142012433377. The next prime is 142012433411. The reversal of 142012433401 is 104334210241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104334210241 = 19993 ⋅5218537.

It can be written as a sum of positive squares in 2 ways, for example, as 129989091600 + 12023341801 = 360540^2 + 109651^2 .

It is a cyclic number.

It is not a de Polignac number, because 142012433401 - 2⁷ = 142012433273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142012433411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176836260 + ... + 4176836293.

It is an arithmetic number, because the mean of its divisors is an integer number (37591526493).

Almost surely, 2^142012433401 is an apocalyptic number.

It is an amenable number.

142012433401 is a deficient number, since it is larger than the sum of its proper divisors (8353672571).

142012433401 is an equidigital number, since it uses as much as digits as its factorization.

142012433401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353672570.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142012433401 its reverse (104334210241), we get a palindrome (246346643642).

The spelling of 142012433401 in words is "one hundred forty-two billion, twelve million, four hundred thirty-three thousand, four hundred one".