1145823882 has 16 divisors (see below), whose sum is σ = 2619026112. Its totient is φ = 327378240.

The previous prime is 1145823869. The next prime is 1145823893. The reversal of 1145823882 is 2883285411.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 27281521 = 1145823882 / (1 + 1 + 4 + 5 + 8 + 2 + 3 + 8 + 8 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13640719 + ... + 13640802.

It is an arithmetic number, because the mean of its divisors is an integer number (163689132).

Almost surely, 2^1145823882 is an apocalyptic number.

1145823882 is an abundant number, since it is smaller than the sum of its proper divisors (1473202230).

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

1145823882 is a wasteful number, since it uses less digits than its factorization.

1145823882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27281533.

The product of its digits is 122880, while the sum is 42.

The square root of 1145823882 is about 33850.0204135832. The cubic root of 1145823882 is about 1046.4198192450.

The spelling of 1145823882 in words is "one billion, one hundred forty-five million, eight hundred twenty-three thousand, eight hundred eighty-two".