1145224056 has 16 divisors (see below), whose sum is σ = 2863060200. Its totient is φ = 381741344.

The previous prime is 1145224051. The next prime is 1145224079. The reversal of 1145224056 is 6504225411.

It is a super-2 number, since 2×1145224056² = 2623076276882182272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145224051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23858811 + ... + 23858858.

Almost surely, 2^1145224056 is an apocalyptic number.

It is an amenable number.

1145224056 is an abundant number, since it is smaller than the sum of its proper divisors (1717836144).

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

1145224056 is a wasteful number, since it uses less digits than its factorization.

1145224056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47717678 (or 47717674 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1145224056 is about 33841.1592000038. The cubic root of 1145224056 is about 1046.2371910121.

Adding to 1145224056 its reverse (6504225411), we get a palindrome (7649449467).

The spelling of 1145224056 in words is "one billion, one hundred forty-five million, two hundred twenty-four thousand, fifty-six".