1100045532 has 12 divisors (see below), whose sum is σ = 2566772936. Its totient is φ = 366681840.

The previous prime is 1100045497. The next prime is 1100045543. The reversal of 1100045532 is 2355400011.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100045499 and 1100045508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45835219 + ... + 45835242.

Almost surely, 2^1100045532 is an apocalyptic number.

1100045532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100045532 is an abundant number, since it is smaller than the sum of its proper divisors (1466727404).

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

1100045532 is a wasteful number, since it uses less digits than its factorization.

1100045532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91670468 (or 91670466 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1100045532 is about 33166.9343171780. The cubic root of 1100045532 is about 1032.2943582229.

Adding to 1100045532 its reverse (2355400011), we get a palindrome (3455445543).

The spelling of 1100045532 in words is "one billion, one hundred million, forty-five thousand, five hundred thirty-two".