1145536 has 28 divisors (see below), whose sum is σ = 2598928. Its totient is φ = 490752.

The previous prime is 1145533. The next prime is 1145537. The reversal of 1145536 is 6355411.

It is a tau number, because it is divible by the number of its divisors (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1145536.

It is not an unprimeable number, because it can be changed into a prime (1145533) 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, 831 + ... + 1726.

2^1145536 is an apocalyptic number.

1145536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145536 is an abundant number, since it is smaller than the sum of its proper divisors (1453392).

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

1145536 is an equidigital number, since it uses as much as digits as its factorization.

1145536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576 (or 2566 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1145536 is about 1070.2971549995. The cubic root of 1145536 is about 104.6332176147.

It can be divided in two parts, 1145 and 536, that added together give a square (1681 = 41²).

The spelling of 1145536 in words is "one million, one hundred forty-five thousand, five hundred thirty-six".