142646163252 has 24 divisors (see below), whose sum is σ = 333408084576. Its totient is φ = 47467715808.

The previous prime is 142646163229. The next prime is 142646163313. The reversal of 142646163252 is 252361646241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10118323 + ... + 10132410.

It is an arithmetic number, because the mean of its divisors is an integer number (13892003524).

Almost surely, 2^142646163252 is an apocalyptic number.

142646163252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142646163252 is an abundant number, since it is smaller than the sum of its proper divisors (190761921324).

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

142646163252 is a wasteful number, since it uses less digits than its factorization.

142646163252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20251327 (or 20251325 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 142646163252 in words is "one hundred forty-two billion, six hundred forty-six million, one hundred sixty-three thousand, two hundred fifty-two".