132432442 has 4 divisors (see below), whose sum is σ = 198648666. Its totient is φ = 66216220.

The previous prime is 132432437. The next prime is 132432449. The reversal of 132432442 is 244234231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244234231 = 47 ⋅5196473.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 47073321 = 9239^2 + 6861^2 .

It is not an unprimeable number, because it can be changed into a prime (132432449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33108109 + ... + 33108112.

Almost surely, 2^132432442 is an apocalyptic number.

132432442 is a deficient number, since it is larger than the sum of its proper divisors (66216224).

132432442 is an equidigital number, since it uses as much as digits as its factorization.

132432442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66216223.

The product of its digits is 4608, while the sum is 25.

The square root of 132432442 is about 11507.9295270696. The cubic root of 132432442 is about 509.7197511941.

Adding to 132432442 its reverse (244234231), we get a palindrome (376666673).

The spelling of 132432442 in words is "one hundred thirty-two million, four hundred thirty-two thousand, four hundred forty-two".