52242145 has 16 divisors (see below), whose sum is σ = 64551168. Its totient is φ = 40568320.

The previous prime is 52242143. The next prime is 52242167. The reversal of 52242145 is 54124225.

52242145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52242145 - 2¹ = 52242143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52242143) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29937 + ... + 31633.

It is an arithmetic number, because the mean of its divisors is an integer number (4034448).

Almost surely, 2^52242145 is an apocalyptic number.

It is an amenable number.

52242145 is a deficient number, since it is larger than the sum of its proper divisors (12309023).

52242145 is a wasteful number, since it uses less digits than its factorization.

52242145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880.

The product of its digits is 3200, while the sum is 25.

The square root of 52242145 is about 7227.8727852668. The cubic root of 52242145 is about 373.8295833930.

The spelling of 52242145 in words is "fifty-two million, two hundred forty-two thousand, one hundred forty-five".