142552514636 has 24 divisors (see below), whose sum is σ = 287927857056. Its totient is φ = 60489043200.

The previous prime is 142552514633. The next prime is 142552514647. The reversal of 142552514636 is 636415255241.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (142552514633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25200941 + ... + 25206596.

It is an arithmetic number, because the mean of its divisors is an integer number (11996994044).

Almost surely, 2^142552514636 is an apocalyptic number.

It is an amenable number.

142552514636 is an abundant number, since it is smaller than the sum of its proper divisors (145375342420).

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

142552514636 is a wasteful number, since it uses less digits than its factorization.

142552514636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50407649 (or 50407647 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

Adding to 142552514636 its reverse (636415255241), we get a palindrome (778967769877).

The spelling of 142552514636 in words is "one hundred forty-two billion, five hundred fifty-two million, five hundred fourteen thousand, six hundred thirty-six".