9145522 has 4 divisors (see below), whose sum is σ = 13718286. Its totient is φ = 4572760.

The previous prime is 9145519. The next prime is 9145561. The reversal of 9145522 is 2255419.

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

It can be written as a sum of positive squares in only one way, i.e., 8404201 + 741321 = 2899^2 + 861^2 .

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2286379 + ... + 2286382.

Almost surely, 2^9145522 is an apocalyptic number.

9145522 is a deficient number, since it is larger than the sum of its proper divisors (4572764).

9145522 is a wasteful number, since it uses less digits than its factorization.

9145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572763.

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

The square root of 9145522 is about 3024.1564112989. The cubic root of 9145522 is about 209.1234971376.

The spelling of 9145522 in words is "nine million, one hundred forty-five thousand, five hundred twenty-two".