252081142 has 8 divisors (see below), whose sum is σ = 378388800. Its totient is φ = 125951544.

The previous prime is 252081107. The next prime is 252081211. The reversal of 252081142 is 241180252.

252081142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 40917 + ... + 46672.

It is an arithmetic number, because the mean of its divisors is an integer number (47298600).

Almost surely, 2^252081142 is an apocalyptic number.

252081142 is a deficient number, since it is larger than the sum of its proper divisors (126307658).

252081142 is a wasteful number, since it uses less digits than its factorization.

252081142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89030.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 252081142 is about 15877.0633934617. The cubic root of 252081142 is about 631.7037464126.

The spelling of 252081142 in words is "two hundred fifty-two million, eighty-one thousand, one hundred forty-two".