1145382493 has 2 divisors, whose sum is σ = 1145382494. Its totient is φ = 1145382492.

The previous prime is 1145382481. The next prime is 1145382533. The reversal of 1145382493 is 3942835411.

It is a happy number.

It is an a-pointer prime, because the next prime (1145382533) can be obtained adding 1145382493 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088802009 + 56580484 = 32997^2 + 7522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145382493 - 2¹⁷ = 1145251421 is a prime.

It is the 33844-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145382193) by changing a digit.

It is a nontrivial repunit in base 33843.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572691246 + 572691247.

It is an arithmetic number, because the mean of its divisors is an integer number (572691247).

Almost surely, 2^1145382493 is an apocalyptic number.

It is an amenable number.

1145382493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145382493 is an equidigital number, since it uses as much as digits as its factorization.

1145382493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 1145382493 is about 33843.5000110804. The cubic root of 1145382493 is about 1046.2854363132.

The spelling of 1145382493 in words is "one billion, one hundred forty-five million, three hundred eighty-two thousand, four hundred ninety-three".