1140575945 has 8 divisors (see below), whose sum is σ = 1415887560. Its totient is φ = 880996480.

The previous prime is 1140575939. The next prime is 1140575971. The reversal of 1140575945 is 5495750411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 357247801 + 783328144 = 18901^2 + 27988^2 .

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

It is not a de Polignac number, because 1140575945 - 2¹² = 1140571849 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 3932876 + ... + 3933165.

It is an arithmetic number, because the mean of its divisors is an integer number (176985945).

Almost surely, 2^1140575945 is an apocalyptic number.

It is an amenable number.

1140575945 is a deficient number, since it is larger than the sum of its proper divisors (275311615).

1140575945 is an equidigital number, since it uses as much as digits as its factorization.

1140575945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866075.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 1140575945 is about 33772.4139646546. The cubic root of 1140575945 is about 1044.8198204342.

The spelling of 1140575945 in words is "one billion, one hundred forty million, five hundred seventy-five thousand, nine hundred forty-five".