1045305225 has 18 divisors (see below), whose sum is σ = 1872258206. Its totient is φ = 557496000.

The previous prime is 1045305223. The next prime is 1045305259. The reversal of 1045305225 is 5225035401.

It is a happy number.

1045305225 is a `hidden beast` number, since 104 + 5 + 30 + 522 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 11664 + 1045293561 = 108^2 + 32331^2 .

It is not a de Polignac number, because 1045305225 - 2¹ = 1045305223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045305223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2322676 + ... + 2323125.

Almost surely, 2^1045305225 is an apocalyptic number.

1045305225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045305225 is a deficient number, since it is larger than the sum of its proper divisors (826952981).

1045305225 is a wasteful number, since it uses less digits than its factorization.

1045305225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645817 (or 4645809 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1045305225 is about 32331.1803836482. The cubic root of 1045305225 is about 1014.8792514920.

The spelling of 1045305225 in words is "one billion, forty-five million, three hundred five thousand, two hundred twenty-five".