1113545045 has 16 divisors (see below), whose sum is σ = 1383352560. Its totient is φ = 859482624.

The previous prime is 1113545029. The next prime is 1113545047. The reversal of 1113545045 is 5405453111.

It can be written as a sum of positive squares in 8 ways, for example, as 188356 + 1113356689 = 434^2 + 33367^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113545045 - 2⁴ = 1113545029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1113544999 and 1113545017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113545047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322649 + ... + 326081.

It is an arithmetic number, because the mean of its divisors is an integer number (86459535).

Almost surely, 2^1113545045 is an apocalyptic number.

It is an amenable number.

1113545045 is a deficient number, since it is larger than the sum of its proper divisors (269807515).

1113545045 is a wasteful number, since it uses less digits than its factorization.

1113545045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1113545045 is about 33369.8223699198. The cubic root of 1113545045 is about 1036.4998969515.

Adding to 1113545045 its reverse (5405453111), we get a palindrome (6518998156).

The spelling of 1113545045 in words is "one billion, one hundred thirteen million, five hundred forty-five thousand, forty-five".