1145332666 has 8 divisors (see below), whose sum is σ = 1742196384. Its totient is φ = 564600540.

The previous prime is 1145332637. The next prime is 1145332709. The reversal of 1145332666 is 6662335411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4032720 + ... + 4033003.

It is an arithmetic number, because the mean of its divisors is an integer number (217774548).

Almost surely, 2^1145332666 is an apocalyptic number.

1145332666 is a deficient number, since it is larger than the sum of its proper divisors (596863718).

1145332666 is an equidigital number, since it uses as much as digits as its factorization.

1145332666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065796.

The product of its digits is 77760, while the sum is 37.

The square root of 1145332666 is about 33842.7638646728. The cubic root of 1145332666 is about 1046.2702640830.

The spelling of 1145332666 in words is "one billion, one hundred forty-five million, three hundred thirty-two thousand, six hundred sixty-six".