1145004305 has 8 divisors (see below), whose sum is σ = 1376645544. Its totient is φ = 914243200.

The previous prime is 1145004241. The next prime is 1145004337. The reversal of 1145004305 is 5034005411.

It can be written as a sum of positive squares in 4 ways, for example, as 4456321 + 1140547984 = 2111^2 + 33772^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1145004305 - 2⁶ = 1145004241 is a prime.

It is a super-2 number, since 2×1145004305² = 2622069716937066050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217166 + ... + 222375.

It is an arithmetic number, because the mean of its divisors is an integer number (172080693).

Almost surely, 2^1145004305 is an apocalyptic number.

It is an amenable number.

1145004305 is a deficient number, since it is larger than the sum of its proper divisors (231641239).

1145004305 is an equidigital number, since it uses as much as digits as its factorization.

1145004305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440067.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1145004305 is about 33837.9122435176. The cubic root of 1145004305 is about 1046.1702677537.

Adding to 1145004305 its reverse (5034005411), we get a palindrome (6179009716).

The spelling of 1145004305 in words is "one billion, one hundred forty-five million, four thousand, three hundred five".