52305145 has 4 divisors (see below), whose sum is σ = 62766180. Its totient is φ = 41844112.

The previous prime is 52305133. The next prime is 52305163. The reversal of 52305145 is 54150325.

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 23970816 + 28334329 = 4896^2 + 5323^2 .

It is a cyclic number.

It is not a de Polignac number, because 52305145 - 2¹⁹ = 51780857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5230510 + ... + 5230519.

It is an arithmetic number, because the mean of its divisors is an integer number (15691545).

Almost surely, 2^52305145 is an apocalyptic number.

It is an amenable number.

52305145 is a deficient number, since it is larger than the sum of its proper divisors (10461035).

52305145 is a wasteful number, since it uses less digits than its factorization.

52305145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10461034.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 52305145 is about 7232.2296008907. The cubic root of 52305145 is about 373.9797929163.

The spelling of 52305145 in words is "fifty-two million, three hundred five thousand, one hundred forty-five".