1112145545 has 8 divisors (see below), whose sum is σ = 1525228224. Its totient is φ = 762614064.

The previous prime is 1112145523. The next prime is 1112145547. The reversal of 1112145545 is 5455412111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112145545 - 2²⁰ = 1111096969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112145547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15887759 + ... + 15887828.

It is an arithmetic number, because the mean of its divisors is an integer number (190653528).

Almost surely, 2^1112145545 is an apocalyptic number.

It is an amenable number.

1112145545 is a deficient number, since it is larger than the sum of its proper divisors (413082679).

1112145545 is an equidigital number, since it uses as much as digits as its factorization.

1112145545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31775599.

The product of its digits is 4000, while the sum is 29.

The square root of 1112145545 is about 33348.8462319163. The cubic root of 1112145545 is about 1036.0654916162.

Adding to 1112145545 its reverse (5455412111), we get a palindrome (6567557656).

The spelling of 1112145545 in words is "one billion, one hundred twelve million, one hundred forty-five thousand, five hundred forty-five".