332130445 has 8 divisors (see below), whose sum is σ = 422001144. Its totient is φ = 250074624.

The previous prime is 332130437. The next prime is 332130481. The reversal of 332130445 is 544031233.

It can be written as a sum of positive squares in 4 ways, for example, as 3034564 + 329095881 = 1742^2 + 18141^2 .

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

It is not a de Polignac number, because 332130445 - 2³ = 332130437 is a prime.

It is a super-2 number, since 2×332130445² = 220621264991796050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1953624 + ... + 1953793.

It is an arithmetic number, because the mean of its divisors is an integer number (52750143).

Almost surely, 2^332130445 is an apocalyptic number.

It is an amenable number.

332130445 is a deficient number, since it is larger than the sum of its proper divisors (89870699).

332130445 is a wasteful number, since it uses less digits than its factorization.

332130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907439.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 332130445 is about 18224.4463564740. The cubic root of 332130445 is about 692.5262328943.

Adding to 332130445 its reverse (544031233), we get a palindrome (876161678).

The spelling of 332130445 in words is "three hundred thirty-two million, one hundred thirty thousand, four hundred forty-five".