1145576709 has 64 divisors (see below), whose sum is σ = 1889280000. Its totient is φ = 682748352.

The previous prime is 1145576699. The next prime is 1145576713. The reversal of 1145576709 is 9076755411.

1145576709 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 576 + 70 + 9 = 666.

It is not a de Polignac number, because 1145576709 - 2¹³ = 1145568517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145576779) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 931507 + ... + 932735.

It is an arithmetic number, because the mean of its divisors is an integer number (29520000).

Almost surely, 2^1145576709 is an apocalyptic number.

1145576709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1145576709 is a deficient number, since it is larger than the sum of its proper divisors (743703291).

1145576709 is a wasteful number, since it uses less digits than its factorization.

1145576709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The square root of 1145576709 is about 33846.3692144372. The cubic root of 1145576709 is about 1046.3445705294.

The spelling of 1145576709 in words is "one billion, one hundred forty-five million, five hundred seventy-six thousand, seven hundred nine".