45172286 has 4 divisors (see below), whose sum is σ = 67758432. Its totient is φ = 22586142.

The previous prime is 45172273. The next prime is 45172289. The reversal of 45172286 is 68227154.

45172286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45172289) 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 as a sum of consecutive naturals, namely, 11293070 + ... + 11293073.

It is an arithmetic number, because the mean of its divisors is an integer number (16939608).

Almost surely, 2^45172286 is an apocalyptic number.

45172286 is a deficient number, since it is larger than the sum of its proper divisors (22586146).

45172286 is a wasteful number, since it uses less digits than its factorization.

45172286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22586145.

The product of its digits is 26880, while the sum is 35.

The square root of 45172286 is about 6721.0331051111. The cubic root of 45172286 is about 356.1426804672.

The spelling of 45172286 in words is "forty-five million, one hundred seventy-two thousand, two hundred eighty-six".