132315444 has 72 divisors (see below), whose sum is σ = 349116768. Its totient is φ = 43817760.

The previous prime is 132315439. The next prime is 132315457. The reversal of 132315444 is 444513231.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191139 + ... + 191829.

It is an arithmetic number, because the mean of its divisors is an integer number (4848844).

Almost surely, 2^132315444 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 132315444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174558384).

132315444 is an abundant number, since it is smaller than the sum of its proper divisors (216801324).

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

132315444 is a wasteful number, since it uses less digits than its factorization.

132315444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 893 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 132315444 is about 11502.8450393805. The cubic root of 132315444 is about 509.5696022801.

Adding to 132315444 its reverse (444513231), we get a palindrome (576828675).

The spelling of 132315444 in words is "one hundred thirty-two million, three hundred fifteen thousand, four hundred forty-four".