1145307133 has 2 divisors, whose sum is σ = 1145307134. Its totient is φ = 1145307132.

The previous prime is 1145307131. The next prime is 1145307143. The reversal of 1145307133 is 3317035411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742181049 + 403126084 = 27243^2 + 20078^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145307133 - 2¹ = 1145307131 is a prime.

Together with 1145307131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145307131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572653566 + 572653567.

It is an arithmetic number, because the mean of its divisors is an integer number (572653567).

Almost surely, 2^1145307133 is an apocalyptic number.

It is an amenable number.

1145307133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145307133 is an equidigital number, since it uses as much as digits as its factorization.

1145307133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 1145307133 is about 33842.3866327421. The cubic root of 1145307133 is about 1046.2624891608.

The spelling of 1145307133 in words is "one billion, one hundred forty-five million, three hundred seven thousand, one hundred thirty-three".