1045112225 has 6 divisors (see below), whose sum is σ = 1295939190. Its totient is φ = 836089760.

The previous prime is 1045112221. The next prime is 1045112231. The reversal of 1045112225 is 5222115401.

1045112225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 25715041 + 1019397184 = 5071^2 + 31928^2 .

It is not a de Polignac number, because 1045112225 - 2² = 1045112221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1045112225.

It is not an unprimeable number, because it can be changed into a prime (1045112221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20902220 + ... + 20902269.

It is an arithmetic number, because the mean of its divisors is an integer number (215989865).

Almost surely, 2^1045112225 is an apocalyptic number.

It is an amenable number.

1045112225 is a deficient number, since it is larger than the sum of its proper divisors (250826965).

1045112225 is an equidigital number, since it uses as much as digits as its factorization.

1045112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41804499 (or 41804494 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1045112225 is about 32328.1955110396. The cubic root of 1045112225 is about 1014.8167868813.

Adding to 1045112225 its reverse (5222115401), we get a palindrome (6267227626).

The spelling of 1045112225 in words is "one billion, forty-five million, one hundred twelve thousand, two hundred twenty-five".