132505445 has 8 divisors (see below), whose sum is σ = 161701920. Its totient is φ = 104207440.

The previous prime is 132505427. The next prime is 132505447. The reversal of 132505445 is 544505231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132505445 - 2⁶ = 132505381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132505447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224291 + ... + 224880.

It is an arithmetic number, because the mean of its divisors is an integer number (20212740).

Almost surely, 2^132505445 is an apocalyptic number.

It is an amenable number.

132505445 is a deficient number, since it is larger than the sum of its proper divisors (29196475).

132505445 is an equidigital number, since it uses as much as digits as its factorization.

132505445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449235.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 132505445 is about 11511.1009464777. The cubic root of 132505445 is about 509.8133945014.

The spelling of 132505445 in words is "one hundred thirty-two million, five hundred five thousand, four hundred forty-five".