132304644 has 48 divisors (see below), whose sum is σ = 346248000. Its totient is φ = 43689384.

The previous prime is 132304643. The next prime is 132304651. The reversal of 132304644 is 446403231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

132304644 is a `hidden beast` number, since 13 + 2 + 3 + 0 + 4 + 644 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (132304643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236439 + ... + 1236545.

It is an arithmetic number, because the mean of its divisors is an integer number (7213500).

Almost surely, 2^132304644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132304644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173124000).

132304644 is an abundant number, since it is smaller than the sum of its proper divisors (213943356).

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

132304644 is an frugal number, since it uses more digits than its factorization.

132304644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 132304644 is about 11502.3755807224. The cubic root of 132304644 is about 509.5557376818. Note that the first 3 decimals are identical.

Adding to 132304644 its reverse (446403231), we get a palindrome (578707875).

The spelling of 132304644 in words is "one hundred thirty-two million, three hundred four thousand, six hundred forty-four".