142273252 has 24 divisors (see below), whose sum is σ = 273867552. Its totient is φ = 64667240.

The previous prime is 142273237. The next prime is 142273301. The reversal of 142273252 is 252372241.

It is a self number, because there is not a number n which added to its sum of digits gives 142273252.

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, 8038 + ... + 18685.

It is an arithmetic number, because the mean of its divisors is an integer number (11411148).

Almost surely, 2^142273252 is an apocalyptic number.

It is an amenable number.

142273252 is a deficient number, since it is larger than the sum of its proper divisors (131594300).

142273252 is a wasteful number, since it uses less digits than its factorization.

142273252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26760 (or 26736 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 142273252 is about 11927.8351765943. The cubic root of 142273252 is about 522.0447743237.

The spelling of 142273252 in words is "one hundred forty-two million, two hundred seventy-three thousand, two hundred fifty-two".