1045784225 has 72 divisors (see below), whose sum is σ = 1477584000. Its totient is φ = 731203200.

The previous prime is 1045784213. The next prime is 1045784231. The reversal of 1045784225 is 5224875401.

It is not a de Polignac number, because 1045784225 - 2¹⁶ = 1045718689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13237736 + ... + 13237814.

It is an arithmetic number, because the mean of its divisors is an integer number (20522000).

Almost surely, 2^1045784225 is an apocalyptic number.

It is an amenable number.

1045784225 is a deficient number, since it is larger than the sum of its proper divisors (431799775).

1045784225 is a wasteful number, since it uses less digits than its factorization.

1045784225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 1045784225 is about 32338.5872449617. The cubic root of 1045784225 is about 1015.0342470265.

The spelling of 1045784225 in words is "one billion, forty-five million, seven hundred eighty-four thousand, two hundred twenty-five".