45156250 has 48 divisors (see below), whose sum is σ = 89941176. Its totient is φ = 17000000.

The previous prime is 45156227. The next prime is 45156289. The reversal of 45156250 is 5265154.

It can be written as a sum of positive squares in 12 ways, for example, as 43520409 + 1635841 = 6597^2 + 1279^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2656242 + ... + 2656258.

Almost surely, 2^45156250 is an apocalyptic number.

45156250 is a deficient number, since it is larger than the sum of its proper divisors (44784926).

45156250 is an frugal number, since it uses more digits than its factorization.

45156250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 45156250 is about 6719.8400278578. The cubic root of 45156250 is about 356.1005323533.

The spelling of 45156250 in words is "forty-five million, one hundred fifty-six thousand, two hundred fifty".