142404020032 has 28 divisors (see below), whose sum is σ = 283588646436. Its totient is φ = 70948613120.

The previous prime is 142404020029. The next prime is 142404020039. The reversal of 142404020032 is 230020404241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75040932096 + 67363087936 = 273936^2 + 259544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142404019985 and 142404020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142404020039) 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, 3941203 + ... + 3977170.

Almost surely, 2^142404020032 is an apocalyptic number.

It is an amenable number.

142404020032 is a deficient number, since it is larger than the sum of its proper divisors (141184626404).

142404020032 is an equidigital number, since it uses as much as digits as its factorization.

142404020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7918666 (or 7918656 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 142404020032 its reverse (230020404241), we get a palindrome (372424424273).

The spelling of 142404020032 in words is "one hundred forty-two billion, four hundred four million, twenty thousand, thirty-two".