1145604009 has 8 divisors (see below), whose sum is σ = 1666333152. Its totient is φ = 694305440.

The previous prime is 1145603983. The next prime is 1145604013. The reversal of 1145604009 is 9004065411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1145604009 - 2¹³ = 1145595817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145604029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17357604 + ... + 17357669.

It is an arithmetic number, because the mean of its divisors is an integer number (208291644).

Almost surely, 2^1145604009 is an apocalyptic number.

It is an amenable number.

1145604009 is a deficient number, since it is larger than the sum of its proper divisors (520729143).

1145604009 is a wasteful number, since it uses less digits than its factorization.

1145604009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34715287.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1145604009 is about 33846.7725049228. The cubic root of 1145604009 is about 1046.3528822032.

The spelling of 1145604009 in words is "one billion, one hundred forty-five million, six hundred four thousand, nine".