113442415 has 4 divisors (see below), whose sum is σ = 136130904. Its totient is φ = 90753928.

The previous prime is 113442409. The next prime is 113442421. The reversal of 113442415 is 514244311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 514244311 = 7 ⋅73463473.

It is an interprime number because it is at equal distance from previous prime (113442409) and next prime (113442421).

It is a cyclic number.

It is not a de Polignac number, because 113442415 - 2⁵ = 113442383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113442415.

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, 11344237 + ... + 11344246.

It is an arithmetic number, because the mean of its divisors is an integer number (34032726).

Almost surely, 2^113442415 is an apocalyptic number.

113442415 is a deficient number, since it is larger than the sum of its proper divisors (22688489).

113442415 is an equidigital number, since it uses as much as digits as its factorization.

113442415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22688488.

The product of its digits is 1920, while the sum is 25.

The square root of 113442415 is about 10650.9349354881. The cubic root of 113442415 is about 484.0889333539.

Adding to 113442415 its reverse (514244311), we get a palindrome (627686726).

The spelling of 113442415 in words is "one hundred thirteen million, four hundred forty-two thousand, four hundred fifteen".