1145693 has 2 divisors, whose sum is σ = 1145694. Its totient is φ = 1145692.

The previous prime is 1145689. The next prime is 1145713. The reversal of 1145693 is 3965411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851929 + 293764 = 923^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145693 - 2² = 1145689 is a prime.

It is a super-2 number, since 2×1145693² = 2625224900498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145623) by changing a digit.

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, 572846 + 572847.

It is an arithmetic number, because the mean of its divisors is an integer number (572847).

2^1145693 is an apocalyptic number.

It is an amenable number.

1145693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145693 is an equidigital number, since it uses as much as digits as its factorization.

1145693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 1145693 is about 1070.3704966039. The cubic root of 1145693 is about 104.6379975212.

The spelling of 1145693 in words is "one million, one hundred forty-five thousand, six hundred ninety-three".