113542 has 16 divisors (see below), whose sum is σ = 200592. Its totient is φ = 47520.

The previous prime is 113539. The next prime is 113557. The reversal of 113542 is 245311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88 + ... + 484.

It is an arithmetic number, because the mean of its divisors is an integer number (12537).

2¹¹³⁵⁴² is an apocalyptic number.

113542 is a deficient number, since it is larger than the sum of its proper divisors (87050).

113542 is a wasteful number, since it uses less digits than its factorization.

113542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423.

The product of its digits is 120, while the sum is 16.

The square root of 113542 is about 336.9599382716. The cubic root of 113542 is about 48.4230543811.

Subtracting from 113542 its sum of digits (16), we obtain a triangular number (113526 = T₄₇₆).

Adding to 113542 its reverse (245311), we get a palindrome (358853).

Subtracting 113542 from its reverse (245311), we obtain a square (131769 = 363²).

It can be divided in two parts, 11 and 3542, that added together give a palindrome (3553).

The spelling of 113542 in words is "one hundred thirteen thousand, five hundred forty-two".