1145056 has 24 divisors (see below), whose sum is σ = 2460024. Its totient is φ = 520320.

The previous prime is 1145021. The next prime is 1145057. The reversal of 1145056 is 6505411.

It is a super-2 number, since 2×1145056² = 2622306486272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145057) 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, 1275 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (102501).

2^1145056 is an apocalyptic number.

1145056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145056 is an abundant number, since it is smaller than the sum of its proper divisors (1314968).

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

1145056 is a wasteful number, since it uses less digits than its factorization.

1145056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1145056 is about 1070.0728947133. The cubic root of 1145056 is about 104.6186011787.

It can be divided in two parts, 11 and 45056, that multiplied together give a square (495616 = 704²).

The spelling of 1145056 in words is "one million, one hundred forty-five thousand, fifty-six".