1140045293 has 2 divisors, whose sum is σ = 1140045294. Its totient is φ = 1140045292.

The previous prime is 1140045281. The next prime is 1140045323. The reversal of 1140045293 is 3925400411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1031822884 + 108222409 = 32122^2 + 10403^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140045293 - 2⁸ = 1140045037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140045223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570022646 + 570022647.

It is an arithmetic number, because the mean of its divisors is an integer number (570022647).

Almost surely, 2^1140045293 is an apocalyptic number.

It is an amenable number.

1140045293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140045293 is an equidigital number, since it uses as much as digits as its factorization.

1140045293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1140045293 is about 33764.5567570492. The cubic root of 1140045293 is about 1044.6577614512.

The spelling of 1140045293 in words is "one billion, one hundred forty million, forty-five thousand, two hundred ninety-three".