1145040775 has 12 divisors (see below), whose sum is σ = 1422591984. Its totient is φ = 914264000.

The previous prime is 1145040761. The next prime is 1145040791. The reversal of 1145040775 is 5770405411.

It is not a de Polignac number, because 1145040775 - 2¹⁹ = 1144516487 is a prime.

It is a super-2 number, since 2×1145040775² = 2622236752825201250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145040775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30931 + ... + 56980.

It is an arithmetic number, because the mean of its divisors is an integer number (118549332).

Almost surely, 2^1145040775 is an apocalyptic number.

1145040775 is a deficient number, since it is larger than the sum of its proper divisors (277551209).

1145040775 is an equidigital number, since it uses as much as digits as its factorization.

1145040775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88442 (or 88437 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1145040775 is about 33838.4511318116. The cubic root of 1145040775 is about 1046.1813749680.

It can be divided in two parts, 11450 and 40775, that added together give a palindrome (52225).

The spelling of 1145040775 in words is "one billion, one hundred forty-five million, forty thousand, seven hundred seventy-five".