1145327568 has 120 divisors (see below), whose sum is σ = 3754804320. Its totient is φ = 297480960.

The previous prime is 1145327567. The next prime is 1145327591. The reversal of 1145327568 is 8657235411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145327567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3738 + ... + 48006.

It is an arithmetic number, because the mean of its divisors is an integer number (31290036).

Almost surely, 2^1145327568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145327568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877402160).

1145327568 is an abundant number, since it is smaller than the sum of its proper divisors (2609476752).

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

1145327568 is a wasteful number, since it uses less digits than its factorization.

1145327568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44305 (or 44292 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 1145327568 is about 33842.6885456815. The cubic root of 1145327568 is about 1046.2687117265.

The spelling of 1145327568 in words is "one billion, one hundred forty-five million, three hundred twenty-seven thousand, five hundred sixty-eight".