252335145 has 8 divisors (see below), whose sum is σ = 403736256. Its totient is φ = 134578736.

The previous prime is 252335129. The next prime is 252335221. The reversal of 252335145 is 541533252.

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 252335145 - 2⁴ = 252335129 is a prime.

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, 8411157 + ... + 8411186.

It is an arithmetic number, because the mean of its divisors is an integer number (50467032).

Almost surely, 2^252335145 is an apocalyptic number.

It is an amenable number.

252335145 is a deficient number, since it is larger than the sum of its proper divisors (151401111).

252335145 is a wasteful number, since it uses less digits than its factorization.

252335145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822351.

The product of its digits is 18000, while the sum is 30.

The square root of 252335145 is about 15885.0604342571. The cubic root of 252335145 is about 631.9158484669.

Adding to 252335145 its reverse (541533252), we get a palindrome (793868397).

The spelling of 252335145 in words is "two hundred fifty-two million, three hundred thirty-five thousand, one hundred forty-five".