132445422 has 64 divisors (see below), whose sum is σ = 304972800. Its totient is φ = 42573600.

The previous prime is 132445319. The next prime is 132445427. The reversal of 132445422 is 224544231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132445427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301479 + ... + 301917.

It is an arithmetic number, because the mean of its divisors is an integer number (4765200).

Almost surely, 2^132445422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132445422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152486400).

132445422 is an abundant number, since it is smaller than the sum of its proper divisors (172527378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132445422 is a wasteful number, since it uses less digits than its factorization.

132445422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 132445422 is about 11508.4934722143. The cubic root of 132445422 is about 509.7364035745.

Adding to 132445422 its reverse (224544231), we get a palindrome (356989653).

The spelling of 132445422 in words is "one hundred thirty-two million, four hundred forty-five thousand, four hundred twenty-two".