1105745445 has 64 divisors (see below), whose sum is σ = 2253335040. Its totient is φ = 503967744.

The previous prime is 1105745419. The next prime is 1105745513. The reversal of 1105745445 is 5445475011.

1105745445 is a `hidden beast` number, since 1 + 105 + 7 + 4 + 544 + 5 = 666.

It is not a de Polignac number, because 1105745445 - 2⁷ = 1105745317 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 350917 + ... + 354053.

It is an arithmetic number, because the mean of its divisors is an integer number (35208360).

Almost surely, 2^1105745445 is an apocalyptic number.

1105745445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1105745445 is an abundant number, since it is smaller than the sum of its proper divisors (1147589595).

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

1105745445 is a wasteful number, since it uses less digits than its factorization.

1105745445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 1105745445 is about 33252.7509388321. The cubic root of 1105745445 is about 1034.0742404608.

The spelling of 1105745445 in words is "one billion, one hundred five million, seven hundred forty-five thousand, four hundred forty-five".