132442 has 4 divisors (see below), whose sum is σ = 198666. Its totient is φ = 66220.

The previous prime is 132439. The next prime is 132469. The reversal of 132442 is 244231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244231 = 13 ⋅18787.

It can be written as a sum of positive squares in only one way, i.e., 96721 + 35721 = 311^2 + 189^2 .

It is a d-powerful number, because it can be written as 1 + 3⁶ + 4³ + 2⁹ + 4³ + 2¹⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33109 + ... + 33112.

2¹³²⁴⁴² is an apocalyptic number.

132442 is a deficient number, since it is larger than the sum of its proper divisors (66224).

132442 is an equidigital number, since it uses as much as digits as its factorization.

132442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66223.

The product of its digits is 192, while the sum is 16.

The square root of 132442 is about 363.9258166165. The cubic root of 132442 is about 50.9732013507.

Adding to 132442 its reverse (244231), we get a palindrome (376673).

The spelling of 132442 in words is "one hundred thirty-two thousand, four hundred forty-two".