1145504117 has 2 divisors, whose sum is σ = 1145504118. Its totient is φ = 1145504116.

The previous prime is 1145504077. The next prime is 1145504141. The reversal of 1145504117 is 7114055411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073152081 + 72352036 = 32759^2 + 8506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145504117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145504117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145504417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572752058 + 572752059.

It is an arithmetic number, because the mean of its divisors is an integer number (572752059).

Almost surely, 2^1145504117 is an apocalyptic number.

It is an amenable number.

1145504117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145504117 is an equidigital number, since it uses as much as digits as its factorization.

1145504117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 1145504117 is about 33845.2968224538. The cubic root of 1145504117 is about 1046.3224687504.

Adding to 1145504117 its reverse (7114055411), we get a palindrome (8259559528).

The spelling of 1145504117 in words is "one billion, one hundred forty-five million, five hundred four thousand, one hundred seventeen".