142400163536 has 20 divisors (see below), whose sum is σ = 292129747812. Its totient is φ = 67011841536.

The previous prime is 142400163523. The next prime is 142400163539. The reversal of 142400163536 is 635361004241.

It can be written as a sum of positive squares in 2 ways, for example, as 58042446400 + 84357717136 = 240920^2 + 290444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142400163496 and 142400163505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142400163539) 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, 261764735 + ... + 261765278.

Almost surely, 2^142400163536 is an apocalyptic number.

142400163536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142400163536 is an abundant number, since it is smaller than the sum of its proper divisors (149729584276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142400163536 is a wasteful number, since it uses less digits than its factorization.

142400163536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523530038 (or 523530032 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 142400163536 its reverse (635361004241), we get a palindrome (777761167777).

The spelling of 142400163536 in words is "one hundred forty-two billion, four hundred million, one hundred sixty-three thousand, five hundred thirty-six".