113445799 has 4 divisors (see below), whose sum is σ = 114021864. Its totient is φ = 112869736.

The previous prime is 113445797. The next prime is 113445809. The reversal of 113445799 is 997544311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997544311 = 277 ⋅3601243.

It is a cyclic number.

It is not a de Polignac number, because 113445799 - 2¹ = 113445797 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113445793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287737 + ... + 288130.

It is an arithmetic number, because the mean of its divisors is an integer number (28505466).

Almost surely, 2^113445799 is an apocalyptic number.

113445799 is a deficient number, since it is larger than the sum of its proper divisors (576065).

113445799 is an equidigital number, since it uses as much as digits as its factorization.

113445799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576064.

The product of its digits is 136080, while the sum is 43.

The square root of 113445799 is about 10651.0937935970. The cubic root of 113445799 is about 484.0937467818.

It can be divided in two parts, 113445 and 799, that added together give a square (114244 = 338²).

The spelling of 113445799 in words is "one hundred thirteen million, four hundred forty-five thousand, seven hundred ninety-nine".