113043145 has 4 divisors (see below), whose sum is σ = 135651780. Its totient is φ = 90434512.

The previous prime is 113043127. The next prime is 113043199. The reversal of 113043145 is 541340311.

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 41319184 + 71723961 = 6428^2 + 8469^2 .

It is a cyclic number.

It is not a de Polignac number, because 113043145 - 2⁷ = 113043017 is a prime.

It is a super-3 number, since 3×113043145³ (a number of 25 digits) contains 333 as substring.

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, 11304310 + ... + 11304319.

It is an arithmetic number, because the mean of its divisors is an integer number (33912945).

Almost surely, 2^113043145 is an apocalyptic number.

It is an amenable number.

113043145 is a deficient number, since it is larger than the sum of its proper divisors (22608635).

113043145 is an equidigital number, since it uses as much as digits as its factorization.

113043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22608634.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 113043145 is about 10632.1749891544. The cubic root of 113043145 is about 483.5203353551.

Adding to 113043145 its reverse (541340311), we get a palindrome (654383456).

The spelling of 113043145 in words is "one hundred thirteen million, forty-three thousand, one hundred forty-five".