253110145 has 4 divisors (see below), whose sum is σ = 303732180. Its totient is φ = 202488112.

The previous prime is 253110113. The next prime is 253110163. The reversal of 253110145 is 541011352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153190129 + 99920016 = 12377^2 + 9996^2 .

It is a cyclic number.

It is not a de Polignac number, because 253110145 - 2⁵ = 253110113 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25311010 + ... + 25311019.

It is an arithmetic number, because the mean of its divisors is an integer number (75933045).

Almost surely, 2^253110145 is an apocalyptic number.

It is an amenable number.

253110145 is a deficient number, since it is larger than the sum of its proper divisors (50622035).

253110145 is an equidigital number, since it uses as much as digits as its factorization.

253110145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50622034.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 253110145 is about 15909.4357222373. The cubic root of 253110145 is about 632.5621242234.

Adding to 253110145 its reverse (541011352), we get a palindrome (794121497).

The spelling of 253110145 in words is "two hundred fifty-three million, one hundred ten thousand, one hundred forty-five".