1113255445 has 8 divisors (see below), whose sum is σ = 1372012344. Its totient is φ = 866533824.

The previous prime is 1113255433. The next prime is 1113255461. The reversal of 1113255445 is 5445523111.

It can be written as a sum of positive squares in 4 ways, for example, as 334231524 + 779023921 = 18282^2 + 27911^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113255445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3008614 + ... + 3008983.

It is an arithmetic number, because the mean of its divisors is an integer number (171501543).

Almost surely, 2^1113255445 is an apocalyptic number.

It is an amenable number.

1113255445 is a deficient number, since it is larger than the sum of its proper divisors (258756899).

1113255445 is an equidigital number, since it uses as much as digits as its factorization.

1113255445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017639.

The product of its digits is 12000, while the sum is 31.

The square root of 1113255445 is about 33365.4828378071. The cubic root of 1113255445 is about 1036.4100348793.

Adding to 1113255445 its reverse (5445523111), we get a palindrome (6558778556).

The spelling of 1113255445 in words is "one billion, one hundred thirteen million, two hundred fifty-five thousand, four hundred forty-five".