1145992818 has 32 divisors (see below), whose sum is σ = 2340835200. Its totient is φ = 373890816.

The previous prime is 1145992741. The next prime is 1145992819. The reversal of 1145992818 is 8182995411.

It is a happy number.

It is a super-2 number, since 2×1145992818² = 2626599077815162248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1145992819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135498 + ... + 143706.

It is an arithmetic number, because the mean of its divisors is an integer number (73151100).

Almost surely, 2^1145992818 is an apocalyptic number.

1145992818 is an abundant number, since it is smaller than the sum of its proper divisors (1194842382).

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

1145992818 is a wasteful number, since it uses less digits than its factorization.

1145992818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8706.

The product of its digits is 207360, while the sum is 48.

The square root of 1145992818 is about 33852.5156819992. The cubic root of 1145992818 is about 1046.4712434630.

The spelling of 1145992818 in words is "one billion, one hundred forty-five million, nine hundred ninety-two thousand, eight hundred eighteen".