252112145 has 8 divisors (see below), whose sum is σ = 304917504. Its totient is φ = 200101104.

The previous prime is 252112127. The next prime is 252112163. The reversal of 252112145 is 541211252.

252112145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252112127) and next prime (252112163).

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

It is a cyclic number.

It is not a de Polignac number, because 252112145 - 2²⁴ = 235334929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252112145.

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, 197879 + ... + 199148.

It is an arithmetic number, because the mean of its divisors is an integer number (38114688).

Almost surely, 2^252112145 is an apocalyptic number.

It is an amenable number.

252112145 is a deficient number, since it is larger than the sum of its proper divisors (52805359).

252112145 is a wasteful number, since it uses less digits than its factorization.

252112145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397159.

The product of its digits is 800, while the sum is 23.

The square root of 252112145 is about 15878.0397089817. The cubic root of 252112145 is about 631.7296427149.

Adding to 252112145 its reverse (541211252), we get a palindrome (793323397).

The spelling of 252112145 in words is "two hundred fifty-two million, one hundred twelve thousand, one hundred forty-five".