1105445000 has 160 divisors (see below), whose sum is σ = 2867832000. Its totient is φ = 396000000.

The previous prime is 1105444999. The next prime is 1105445017. The reversal of 1105445000 is 5445011.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 39 ways as a sum of consecutive naturals, for example, 5554901 + ... + 5555099.

It is an arithmetic number, because the mean of its divisors is an integer number (17923950).

Almost surely, 2^1105445000 is an apocalyptic number.

1105445000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433916000).

1105445000 is an abundant number, since it is smaller than the sum of its proper divisors (1762387000).

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

1105445000 is a wasteful number, since it uses less digits than its factorization.

1105445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1105445000 is about 33248.2330357570. The cubic root of 1105445000 is about 1033.9805749674.

The spelling of 1105445000 in words is "one billion, one hundred five million, four hundred forty-five thousand".