132445397 has 8 divisors (see below), whose sum is σ = 151628736. Its totient is φ = 113327712.

The previous prime is 132445319. The next prime is 132445427. The reversal of 132445397 is 793544231.

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

It is a cyclic number.

It is not a de Polignac number, because 132445397 - 2¹² = 132441301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132445397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132445097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12008 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (18953592).

Almost surely, 2^132445397 is an apocalyptic number.

It is an amenable number.

132445397 is a deficient number, since it is larger than the sum of its proper divisors (19183339).

132445397 is an equidigital number, since it uses as much as digits as its factorization.

132445397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827.

The product of its digits is 90720, while the sum is 38.

The square root of 132445397 is about 11508.4923860600. The cubic root of 132445397 is about 509.7363715024.

The spelling of 132445397 in words is "one hundred thirty-two million, four hundred forty-five thousand, three hundred ninety-seven".