1145709306 has 64 divisors (see below), whose sum is σ = 2913408000. Its totient is φ = 326932848.

The previous prime is 1145709287. The next prime is 1145709319. The reversal of 1145709306 is 6039075411.

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 31 ways as a sum of consecutive naturals, for example, 423145 + ... + 425843.

It is an arithmetic number, because the mean of its divisors is an integer number (45522000).

Almost surely, 2^1145709306 is an apocalyptic number.

1145709306 is an abundant number, since it is smaller than the sum of its proper divisors (1767698694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145709306 is a wasteful number, since it uses less digits than its factorization.

1145709306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1145709306 is about 33848.3279646130. The cubic root of 1145709306 is about 1046.3849393664.

The spelling of 1145709306 in words is "one billion, one hundred forty-five million, seven hundred nine thousand, three hundred six".