8145250 has 32 divisors (see below), whose sum is σ = 15754752. Its totient is φ = 3150000.

The previous prime is 8145239. The next prime is 8145253. The reversal of 8145250 is 525418.

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 (8145253) 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 15 ways as a sum of consecutive naturals, for example, 7225 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (492336).

Almost surely, 2^8145250 is an apocalyptic number.

8145250 is a deficient number, since it is larger than the sum of its proper divisors (7609502).

8145250 is a wasteful number, since it uses less digits than its factorization.

8145250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 8145250 is about 2853.9884372576. The cubic root of 8145250 is about 201.2031641328.

The spelling of 8145250 in words is "eight million, one hundred forty-five thousand, two hundred fifty".