132213445 has 32 divisors (see below), whose sum is σ = 198229248. Its totient is φ = 82418688.

The previous prime is 132213427. The next prime is 132213449. The reversal of 132213445 is 544312231.

It is a cyclic number.

It is not a de Polignac number, because 132213445 - 2¹⁵ = 132180677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132213449) 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, 28317 + ... + 32653.

It is an arithmetic number, because the mean of its divisors is an integer number (6194664).

Almost surely, 2^132213445 is an apocalyptic number.

It is an amenable number.

132213445 is a deficient number, since it is larger than the sum of its proper divisors (66015803).

132213445 is a wasteful number, since it uses less digits than its factorization.

132213445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429.

The product of its digits is 2880, while the sum is 25.

The square root of 132213445 is about 11498.4105423315. The cubic root of 132213445 is about 509.4386300378.

Adding to 132213445 its reverse (544312231), we get a palindrome (676525676).

The spelling of 132213445 in words is "one hundred thirty-two million, two hundred thirteen thousand, four hundred forty-five".