9145252 has 12 divisors (see below), whose sum is σ = 16945740. Its totient is φ = 4303616.

The previous prime is 9145249. The next prime is 9145259. The reversal of 9145252 is 2525419.

It can be written as a sum of positive squares in 2 ways, for example, as 7054336 + 2090916 = 2656^2 + 1446^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9145252.

It is not an unprimeable number, because it can be changed into a prime (9145259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67177 + ... + 67312.

It is an arithmetic number, because the mean of its divisors is an integer number (1412145).

Almost surely, 2^9145252 is an apocalyptic number.

It is an amenable number.

9145252 is a deficient number, since it is larger than the sum of its proper divisors (7800488).

9145252 is a wasteful number, since it uses less digits than its factorization.

9145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134510 (or 134508 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 9145252 is about 3024.1117704212. Note that the first 3 decimals coincide. The cubic root of 9145252 is about 209.1214391577.

The spelling of 9145252 in words is "nine million, one hundred forty-five thousand, two hundred fifty-two".