1145383637 has 2 divisors, whose sum is σ = 1145383638. Its totient is φ = 1145383636.

The previous prime is 1145383627. The next prime is 1145383639. The reversal of 1145383637 is 7363835411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 819905956 + 325477681 = 28634^2 + 18041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145383637 - 2¹² = 1145379541 is a prime.

Together with 1145383639, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145383594 and 1145383603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145383639) 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, 572691818 + 572691819.

It is an arithmetic number, because the mean of its divisors is an integer number (572691819).

Almost surely, 2^1145383637 is an apocalyptic number.

It is an amenable number.

1145383637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145383637 is an equidigital number, since it uses as much as digits as its factorization.

1145383637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 1145383637 is about 33843.5169124014. The cubic root of 1145383637 is about 1046.2857846539.

The spelling of 1145383637 in words is "one billion, one hundred forty-five million, three hundred eighty-three thousand, six hundred thirty-seven".