113455 has 4 divisors (see below), whose sum is σ = 136152. Its totient is φ = 90760.

The previous prime is 113453. The next prime is 113467. The reversal of 113455 is 554311.

113455 = 135² + 136² + ... + 140².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554311 = 31 ⋅17881.

It is not a de Polignac number, because 113455 - 2¹ = 113453 is a prime.

It is a Duffinian number.

113455 is a lucky 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 (113453) 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, 11341 + ... + 11350.

It is an arithmetic number, because the mean of its divisors is an integer number (34038).

2¹¹³⁴⁵⁵ is an apocalyptic number.

113455 is a deficient number, since it is larger than the sum of its proper divisors (22697).

113455 is an equidigital number, since it uses as much as digits as its factorization.

113455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22696.

The product of its digits is 300, while the sum is 19.

The square root of 113455 is about 336.8308180675. The cubic root of 113455 is about 48.4106833872.

Adding to 113455 its reverse (554311), we get a palindrome (667766).

It can be divided in two parts, 113 and 455, that multiplied together give a palindrome (51415).

The spelling of 113455 in words is "one hundred thirteen thousand, four hundred fifty-five".