1145659 has 2 divisors, whose sum is σ = 1145660. Its totient is φ = 1145658.

The previous prime is 1145623. The next prime is 1145689. The reversal of 1145659 is 9565411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1145659 - 2¹⁹ = 621371 is a prime.

1145659 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145659.

It is not a weakly prime, because it can be changed into another prime (1145689) 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, 572829 + 572830.

It is an arithmetic number, because the mean of its divisors is an integer number (572830).

2^1145659 is an apocalyptic number.

1145659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145659 is an equidigital number, since it uses as much as digits as its factorization.

1145659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 1145659 is about 1070.3546141350. The cubic root of 1145659 is about 104.6369624193.

The spelling of 1145659 in words is "one million, one hundred forty-five thousand, six hundred fifty-nine".