1045305 has 40 divisors (see below), whose sum is σ = 1960200. Its totient is φ = 532224.

The previous prime is 1045277. The next prime is 1045307. The reversal of 1045305 is 5035401.

It can be written as a sum of positive squares in 4 ways, for example, as 29241 + 1016064 = 171^2 + 1008^2 .

It is not a de Polignac number, because 1045305 - 2⁵ = 1045273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045307) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11701 + ... + 11789.

It is an arithmetic number, because the mean of its divisors is an integer number (49005).

2^1045305 is an apocalyptic number.

1045305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045305 is a deficient number, since it is larger than the sum of its proper divisors (914895).

1045305 is an equidigital number, since it uses as much as digits as its factorization.

1045305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1045305 is about 1022.4015845058. The cubic root of 1045305 is about 101.4879178675.

The spelling of 1045305 in words is "one million, forty-five thousand, three hundred five".