845225130 has 16 divisors (see below), whose sum is σ = 2028540384. Its totient is φ = 225393360.

The previous prime is 845225123. The next prime is 845225177. The reversal of 845225130 is 31522548.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 28174171 = 845225130 / (8 + 4 + 5 + 2 + 2 + 5 + 1 + 3 + 0).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14087056 + ... + 14087115.

It is an arithmetic number, because the mean of its divisors is an integer number (126783774).

Almost surely, 2^845225130 is an apocalyptic number.

845225130 is an abundant number, since it is smaller than the sum of its proper divisors (1183315254).

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

845225130 is a wasteful number, since it uses less digits than its factorization.

845225130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174181.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 845225130 is about 29072.7558033290. The cubic root of 845225130 is about 945.4911475066.

Adding to 845225130 its reverse (31522548), we get a palindrome (876747678).

The spelling of 845225130 in words is "eight hundred forty-five million, two hundred twenty-five thousand, one hundred thirty".