4545250 has 16 divisors (see below), whose sum is σ = 8509176. Its totient is φ = 1818000.

The previous prime is 4545241. The next prime is 4545259. The reversal of 4545250 is 525454.

It is an interprime number because it is at equal distance from previous prime (4545241) and next prime (4545259).

It can be written as a sum of positive squares in 4 ways, for example, as 2582449 + 1962801 = 1607^2 + 1401^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4545259) 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 7 ways as a sum of consecutive naturals, for example, 8841 + ... + 9340.

Almost surely, 2^4545250 is an apocalyptic number.

4545250 is a deficient number, since it is larger than the sum of its proper divisors (3963926).

4545250 is a wasteful number, since it uses less digits than its factorization.

4545250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198 (or 18188 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4545250 is about 2131.9591928552. The cubic root of 4545250 is about 165.6478964430.

The spelling of 4545250 in words is "four million, five hundred forty-five thousand, two hundred fifty".