1145888056 has 16 divisors (see below), whose sum is σ = 2150866800. Its totient is φ = 572323584.

The previous prime is 1145888021. The next prime is 1145888057. The reversal of 1145888056 is 6508885411.

It is a junction number, because it is equal to n+sod(n) for n = 1145887997 and 1145888015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145888057) 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, 69660 + ... + 84523.

It is an arithmetic number, because the mean of its divisors is an integer number (134429175).

Almost surely, 2^1145888056 is an apocalyptic number.

It is an amenable number.

1145888056 is a deficient number, since it is larger than the sum of its proper divisors (1004978744).

1145888056 is a wasteful number, since it uses less digits than its factorization.

1145888056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155118 (or 155114 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 46.

The square root of 1145888056 is about 33850.9683170216. The cubic root of 1145888056 is about 1046.4393544438.

The spelling of 1145888056 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, fifty-six".