1145704560 has 640 divisors, whose sum is σ = 5039677440. Its totient is φ = 207360000.

The previous prime is 1145704507. The next prime is 1145704561. The reversal of 1145704560 is 654075411.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145704561) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4564435 + ... + 4564685.

It is an arithmetic number, because the mean of its divisors is an integer number (7874496).

Almost surely, 2^1145704560 is an apocalyptic number.

1145704560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145704560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519838720).

1145704560 is an abundant number, since it is smaller than the sum of its proper divisors (3893972880).

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

1145704560 is a wasteful number, since it uses less digits than its factorization.

1145704560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 1145704560 is about 33848.2578576801. The cubic root of 1145704560 is about 1046.3834945119.

Adding to 1145704560 its reverse (654075411), we get a palindrome (1799779971).

The spelling of 1145704560 in words is "one billion, one hundred forty-five million, seven hundred four thousand, five hundred sixty".