142552545652 has 18 divisors (see below), whose sum is σ = 274207480274. Its totient is φ = 64796611440.

The previous prime is 142552545631. The next prime is 142552545677. The reversal of 142552545652 is 256545255241.

It can be written as a sum of positive squares in only one way, i.e., 122021667856 + 20530877796 = 349316^2 + 143286^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 147264543 + ... + 147265510.

Almost surely, 2^142552545652 is an apocalyptic number.

It is an amenable number.

142552545652 is a deficient number, since it is larger than the sum of its proper divisors (131654934622).

142552545652 is a wasteful number, since it uses less digits than its factorization.

142552545652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294530079 (or 294530066 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 46.

The spelling of 142552545652 in words is "one hundred forty-two billion, five hundred fifty-two million, five hundred forty-five thousand, six hundred fifty-two".