1332432445 has 4 divisors (see below), whose sum is σ = 1598918940. Its totient is φ = 1065945952.

The previous prime is 1332432403. The next prime is 1332432499. The reversal of 1332432445 is 5442342331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 918635481 + 413796964 = 30309^2 + 20342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332432445 - 2⁷ = 1332432317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133243240 + ... + 133243249.

It is an arithmetic number, because the mean of its divisors is an integer number (399729735).

Almost surely, 2^1332432445 is an apocalyptic number.

It is an amenable number.

1332432445 is a deficient number, since it is larger than the sum of its proper divisors (266486495).

1332432445 is an equidigital number, since it uses as much as digits as its factorization.

1332432445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266486494.

The product of its digits is 34560, while the sum is 31.

The square root of 1332432445 is about 36502.4991610164. The cubic root of 1332432445 is about 1100.3944714692.

Adding to 1332432445 its reverse (5442342331), we get a palindrome (6774774776).

The spelling of 1332432445 in words is "one billion, three hundred thirty-two million, four hundred thirty-two thousand, four hundred forty-five".