113442 has 32 divisors (see below), whose sum is σ = 269952. Its totient is φ = 31104.

The previous prime is 113437. The next prime is 113453. The reversal of 113442 is 244311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 1590.

It is an arithmetic number, because the mean of its divisors is an integer number (8436).

2¹¹³⁴⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134976).

113442 is an abundant number, since it is smaller than the sum of its proper divisors (156510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113442 is a wasteful number, since it uses less digits than its factorization.

113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122.

The product of its digits is 96, while the sum is 15.

The square root of 113442 is about 336.8115199930. The cubic root of 113442 is about 48.4088343048.

Adding to 113442 its reverse (244311), we get a palindrome (357753).

It can be divided in two parts, 1134 and 42, that added together give a triangular number (1176 = T₄₈).

The spelling of 113442 in words is "one hundred thirteen thousand, four hundred forty-two".