252155233142 has 8 divisors (see below), whose sum is σ = 382132157736. Its totient is φ = 124777847232.

The previous prime is 252155233103. The next prime is 252155233193. The reversal of 252155233142 is 241332551252.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649884428 + ... + 649884815.

It is an arithmetic number, because the mean of its divisors is an integer number (47766519717).

Almost surely, 2^252155233142 is an apocalyptic number.

252155233142 is a deficient number, since it is larger than the sum of its proper divisors (129976924594).

252155233142 is a wasteful number, since it uses less digits than its factorization.

252155233142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299769342.

The product of its digits is 72000, while the sum is 35.

Adding to 252155233142 its reverse (241332551252), we get a palindrome (493487784394).

The spelling of 252155233142 in words is "two hundred fifty-two billion, one hundred fifty-five million, two hundred thirty-three thousand, one hundred forty-two".