1113140045 has 16 divisors (see below), whose sum is σ = 1350319152. Its totient is φ = 880865280.

The previous prime is 1113139969. The next prime is 1113140051. The reversal of 1113140045 is 5400413111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 144312169 + 968827876 = 12013^2 + 31126^2 .

It is not a de Polignac number, because 1113140045 - 2⁸ = 1113139789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113139999 and 1113140026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171479 + ... + 177851.

It is an arithmetic number, because the mean of its divisors is an integer number (84394947).

Almost surely, 2^1113140045 is an apocalyptic number.

It is an amenable number.

1113140045 is a deficient number, since it is larger than the sum of its proper divisors (237179107).

1113140045 is a wasteful number, since it uses less digits than its factorization.

1113140045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1113140045 is about 33363.7534609042. The cubic root of 1113140045 is about 1036.3742222388.

Adding to 1113140045 its reverse (5400413111), we get a palindrome (6513553156).

The spelling of 1113140045 in words is "one billion, one hundred thirteen million, one hundred forty thousand, forty-five".