8145830 has 64 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 2486400.

The previous prime is 8145827. The next prime is 8145833. The reversal of 8145830 is 385418.

It is an interprime number because it is at equal distance from previous prime (8145827) and next prime (8145833).

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

It is a junction number, because it is equal to n+sod(n) for n = 8145793 and 8145802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145833) 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 in 31 ways as a sum of consecutive naturals, for example, 54596 + ... + 54744.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^8145830 is an apocalyptic number.

8145830 is an abundant number, since it is smaller than the sum of its proper divisors (10516570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8145830 is a wasteful number, since it uses less digits than its factorization.

8145830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8145830 is about 2854.0900476334. The cubic root of 8145830 is about 201.2079397204.

The spelling of 8145830 in words is "eight million, one hundred forty-five thousand, eight hundred thirty".