1113152245 has 4 divisors (see below), whose sum is σ = 1335782700. Its totient is φ = 890521792.

The previous prime is 1113152213. The next prime is 1113152251. The reversal of 1113152245 is 5422513111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5422513111 = 191 ⋅28390121.

It can be written as a sum of positive squares in 2 ways, for example, as 707613201 + 405539044 = 26601^2 + 20138^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113152245 - 2⁵ = 1113152213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111315220 + ... + 111315229.

It is an arithmetic number, because the mean of its divisors is an integer number (333945675).

Almost surely, 2^1113152245 is an apocalyptic number.

It is an amenable number.

1113152245 is a deficient number, since it is larger than the sum of its proper divisors (222630455).

1113152245 is an equidigital number, since it uses as much as digits as its factorization.

1113152245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222630454.

The product of its digits is 1200, while the sum is 25.

The square root of 1113152245 is about 33363.9362935491. The cubic root of 1113152245 is about 1036.3780084409.

Adding to 1113152245 its reverse (5422513111), we get a palindrome (6535665356).

The spelling of 1113152245 in words is "one billion, one hundred thirteen million, one hundred fifty-two thousand, two hundred forty-five".