103442 has 4 divisors (see below), whose sum is σ = 155166. Its totient is φ = 51720.

The previous prime is 103423. The next prime is 103451. The reversal of 103442 is 244301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101761 + 1681 = 319^2 + 41^2 .

It is a plaindrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103442.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25859 + ... + 25862.

2¹⁰³⁴⁴² is an apocalyptic number.

103442 is a deficient number, since it is larger than the sum of its proper divisors (51724).

103442 is an equidigital number, since it uses as much as digits as its factorization.

103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51723.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 103442 is about 321.6240040793. The cubic root of 103442 is about 46.9424374520.

Adding to 103442 its reverse (244301), we get a palindrome (347743).

It can be divided in two parts, 103 and 442, that added together give a palindrome (545).

The spelling of 103442 in words is "one hundred three thousand, four hundred forty-two", and thus it is an iban number.