1112554145 has 4 divisors (see below), whose sum is σ = 1335064980. Its totient is φ = 890043312.

The previous prime is 1112554129. The next prime is 1112554159. The reversal of 1112554145 is 5414552111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 620956561 + 491597584 = 24919^2 + 22172^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112554145 - 2⁴ = 1112554129 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 111255410 + ... + 111255419.

It is an arithmetic number, because the mean of its divisors is an integer number (333766245).

Almost surely, 2^1112554145 is an apocalyptic number.

It is an amenable number.

1112554145 is a deficient number, since it is larger than the sum of its proper divisors (222510835).

1112554145 is an equidigital number, since it uses as much as digits as its factorization.

1112554145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222510834.

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

The square root of 1112554145 is about 33354.9718183062. The cubic root of 1112554145 is about 1036.1923588618.

The spelling of 1112554145 in words is "one billion, one hundred twelve million, five hundred fifty-four thousand, one hundred forty-five".