332145472 has 28 divisors (see below), whose sum is σ = 659684736. Its totient is φ = 165925760.

The previous prime is 332145431. The next prime is 332145481. The reversal of 332145472 is 274541233.

It is a happy number.

It is a super-2 number, since 2×332145472² = 220641229140205568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126897 + ... + 129487.

Almost surely, 2^332145472 is an apocalyptic number.

332145472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

332145472 is a deficient number, since it is larger than the sum of its proper divisors (327539264).

332145472 is a wasteful number, since it uses less digits than its factorization.

332145472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606 (or 4596 counting only the distinct ones).

The product of its digits is 20160, while the sum is 31.

The square root of 332145472 is about 18224.8586277096. The cubic root of 332145472 is about 692.5366770185.

The spelling of 332145472 in words is "three hundred thirty-two million, one hundred forty-five thousand, four hundred seventy-two".