1145004065 has 16 divisors (see below), whose sum is σ = 1420955136. Its totient is φ = 884812800.

The previous prime is 1145004041. The next prime is 1145004079. The reversal of 1145004065 is 5604005411.

It is not a de Polignac number, because 1145004065 - 2⁶ = 1145004001 is a prime.

It is a super-2 number, since 2×1145004065² = 2622068617733048450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80705 + ... + 93825.

It is an arithmetic number, because the mean of its divisors is an integer number (88809696).

Almost surely, 2^1145004065 is an apocalyptic number.

It is an amenable number.

1145004065 is a deficient number, since it is larger than the sum of its proper divisors (275951071).

1145004065 is a wasteful number, since it uses less digits than its factorization.

1145004065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13720.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1145004065 is about 33837.9086971994. The cubic root of 1145004065 is about 1046.1701946591.

Adding to 1145004065 its reverse (5604005411), we get a palindrome (6749009476).

The spelling of 1145004065 in words is "one billion, one hundred forty-five million, four thousand, sixty-five".