1045240305 has 16 divisors (see below), whose sum is σ = 1675101120. Its totient is φ = 556555968.

The previous prime is 1045240303. The next prime is 1045240327. The reversal of 1045240305 is 5030425401.

It is not a de Polignac number, because 1045240305 - 2¹ = 1045240303 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1045240303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47002 + ... + 65571.

It is an arithmetic number, because the mean of its divisors is an integer number (104693820).

Almost surely, 2^1045240305 is an apocalyptic number.

1045240305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045240305 is a deficient number, since it is larger than the sum of its proper divisors (629860815).

1045240305 is a wasteful number, since it uses less digits than its factorization.

1045240305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113200.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1045240305 is about 32330.1763836822. The cubic root of 1045240305 is about 1014.8582409382.

Adding to 1045240305 its reverse (5030425401), we get a palindrome (6075665706).

The spelling of 1045240305 in words is "one billion, forty-five million, two hundred forty thousand, three hundred five".