1145526786 has 48 divisors (see below), whose sum is σ = 2582038368. Its totient is φ = 380635200.

The previous prime is 1145526779. The next prime is 1145526797. The reversal of 1145526786 is 6876255411.

1145526786 is a `hidden beast` number, since 1 + 1 + 45 + 526 + 7 + 86 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157306 + ... + 164426.

It is an arithmetic number, because the mean of its divisors is an integer number (53792466).

Almost surely, 2^1145526786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145526786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291019184).

1145526786 is an abundant number, since it is smaller than the sum of its proper divisors (1436511582).

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

1145526786 is an equidigital number, since it uses as much as digits as its factorization.

1145526786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7469 (or 7457 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1145526786 is about 33845.6317122313. The cubic root of 1145526786 is about 1046.3293707852.

The spelling of 1145526786 in words is "one billion, one hundred forty-five million, five hundred twenty-six thousand, seven hundred eighty-six".