1105145200 has 60 divisors (see below), whose sum is σ = 2660709168. Its totient is φ = 441126400.

The previous prime is 1105145189. The next prime is 1105145227. The reversal of 1105145200 is 25415011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205749 + ... + 211051.

Almost surely, 2^1105145200 is an apocalyptic number.

1105145200 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 1105145200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330354584).

1105145200 is an abundant number, since it is smaller than the sum of its proper divisors (1555563968).

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

1105145200 is a wasteful number, since it uses less digits than its factorization.

1105145200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5842 (or 5831 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1105145200 is about 33243.7242197682. The cubic root of 1105145200 is about 1033.8870936382.

The spelling of 1105145200 in words is "one billion, one hundred five million, one hundred forty-five thousand, two hundred".