1145463637 has 2 divisors, whose sum is σ = 1145463638. Its totient is φ = 1145463636.

The previous prime is 1145463619. The next prime is 1145463643. The reversal of 1145463637 is 7363645411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1038837361 + 106626276 = 32231^2 + 10326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145463637 - 2¹¹ = 1145461589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145463637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145463677) 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, 572731818 + 572731819.

It is an arithmetic number, because the mean of its divisors is an integer number (572731819).

Almost surely, 2^1145463637 is an apocalyptic number.

It is an amenable number.

1145463637 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145463637 is an equidigital number, since it uses as much as digits as its factorization.

1145463637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 40.

The square root of 1145463637 is about 33844.6988020281. The cubic root of 1145463637 is about 1046.3101435707.

The spelling of 1145463637 in words is "one billion, one hundred forty-five million, four hundred sixty-three thousand, six hundred thirty-seven".