113430845 has 18 divisors (see below), whose sum is σ = 149962554. Its totient is φ = 82304640.

The previous prime is 113430841. The next prime is 113430853. The reversal of 113430845 is 548034311.

It can be written as a sum of positive squares in 3 ways, for example, as 1684804 + 111746041 = 1298^2 + 10571^2 .

It is not a de Polignac number, because 113430845 - 2² = 113430841 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113430841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 261749 + ... + 262181.

It is an arithmetic number, because the mean of its divisors is an integer number (8331253).

Almost surely, 2^113430845 is an apocalyptic number.

It is an amenable number.

113430845 is a deficient number, since it is larger than the sum of its proper divisors (36531709).

113430845 is an frugal number, since it uses more digits than its factorization.

113430845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 113430845 is about 10650.3917768315. The cubic root of 113430845 is about 484.0724753727.

The spelling of 113430845 in words is "one hundred thirteen million, four hundred thirty thousand, eight hundred forty-five".