142232344641 has 12 divisors (see below), whose sum is σ = 208814699860. Its totient is φ = 93267110880.

The previous prime is 142232344633. The next prime is 142232344673. The reversal of 142232344641 is 146443232241.

142232344641 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 2 + 3 + 4 + 4 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72705729600 + 69526615041 = 269640^2 + 263679^2 .

It is not a de Polignac number, because 142232344641 - 2³ = 142232344633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142232344596 and 142232344605.

It is not an unprimeable number, because it can be changed into a prime (142232344691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129537106 + ... + 129538203.

Almost surely, 2^142232344641 is an apocalyptic number.

It is an amenable number.

142232344641 is a deficient number, since it is larger than the sum of its proper divisors (66582355219).

142232344641 is a wasteful number, since it uses less digits than its factorization.

142232344641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259075376 (or 259075373 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 142232344641 its reverse (146443232241), we get a palindrome (288675576882).

The spelling of 142232344641 in words is "one hundred forty-two billion, two hundred thirty-two million, three hundred forty-four thousand, six hundred forty-one".