1145223360 has 560 divisors, whose sum is σ = 4540764096. Its totient is φ = 272498688.

The previous prime is 1145223349. The next prime is 1145223367. The reversal of 1145223360 is 633225411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145223367) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10134664 + ... + 10134776.

Almost surely, 2^1145223360 is an apocalyptic number.

1145223360 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 1145223360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270382048).

1145223360 is an abundant number, since it is smaller than the sum of its proper divisors (3395540736).

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

1145223360 is a wasteful number, since it uses less digits than its factorization.

1145223360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1145223360 is about 33841.1489166665. The cubic root of 1145223360 is about 1046.2369790648.

Adding to 1145223360 its reverse (633225411), we get a palindrome (1778448771).

The spelling of 1145223360 in words is "one billion, one hundred forty-five million, two hundred twenty-three thousand, three hundred sixty".