1145300505 has 16 divisors (see below), whose sum is σ = 1853072640. Its totient is φ = 603963008.

The previous prime is 1145300477. The next prime is 1145300531. The reversal of 1145300505 is 5050035411.

It is a cyclic number.

It is not a de Polignac number, because 1145300505 - 2¹⁴ = 1145284121 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 427617 + ... + 430286.

It is an arithmetic number, because the mean of its divisors is an integer number (115817040).

Almost surely, 2^1145300505 is an apocalyptic number.

1145300505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145300505 is a deficient number, since it is larger than the sum of its proper divisors (707772135).

1145300505 is an equidigital number, since it uses as much as digits as its factorization.

1145300505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858000.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1145300505 is about 33842.2887080646. The cubic root of 1145300505 is about 1046.2604708838.

Adding to 1145300505 its reverse (5050035411), we get a palindrome (6195335916).

The spelling of 1145300505 in words is "one billion, one hundred forty-five million, three hundred thousand, five hundred five".