52745145 has 16 divisors (see below), whose sum is σ = 84514752. Its totient is φ = 28089920.

The previous prime is 52745131. The next prime is 52745179. The reversal of 52745145 is 54154725.

It is not a de Polignac number, because 52745145 - 2⁹ = 52744633 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10174 + ... + 14456.

It is an arithmetic number, because the mean of its divisors is an integer number (5282172).

Almost surely, 2^52745145 is an apocalyptic number.

It is an amenable number.

52745145 is a deficient number, since it is larger than the sum of its proper divisors (31769607).

52745145 is a wasteful number, since it uses less digits than its factorization.

52745145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112.

The product of its digits is 28000, while the sum is 33.

The square root of 52745145 is about 7262.5852834924. The cubic root of 52745145 is about 375.0255271512.

The spelling of 52745145 in words is "fifty-two million, seven hundred forty-five thousand, one hundred forty-five".