1140330245 has 8 divisors (see below), whose sum is σ = 1394215416. Its totient is φ = 895051456.

The previous prime is 1140330223. The next prime is 1140330259. The reversal of 1140330245 is 5420330411.

It can be written as a sum of positive squares in 4 ways, for example, as 11303044 + 1129027201 = 3362^2 + 33601^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1140330245 - 2⁸ = 1140329989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140330245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2151302 + ... + 2151831.

It is an arithmetic number, because the mean of its divisors is an integer number (174276927).

Almost surely, 2^1140330245 is an apocalyptic number.

It is an amenable number.

1140330245 is a deficient number, since it is larger than the sum of its proper divisors (253885171).

1140330245 is an equidigital number, since it uses as much as digits as its factorization.

1140330245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303191.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1140330245 is about 33768.7761845170. The cubic root of 1140330245 is about 1044.7447908942.

Adding to 1140330245 its reverse (5420330411), we get a palindrome (6560660656).

The spelling of 1140330245 in words is "one billion, one hundred forty million, three hundred thirty thousand, two hundred forty-five".