64545332 has 6 divisors (see below), whose sum is σ = 112954338. Its totient is φ = 32272664.

The previous prime is 64545323. The next prime is 64545347. The reversal of 64545332 is 23354546.

64545332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 16048036 = 6964^2 + 4006^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8068163 + ... + 8068170.

It is an arithmetic number, because the mean of its divisors is an integer number (18825723).

Almost surely, 2^64545332 is an apocalyptic number.

It is an amenable number.

64545332 is a deficient number, since it is larger than the sum of its proper divisors (48409006).

64545332 is a wasteful number, since it uses less digits than its factorization.

64545332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136337 (or 16136335 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 64545332 is about 8034.0109534404. The cubic root of 64545332 is about 401.1328966670.

Adding to 64545332 its reverse (23354546), we get a palindrome (87899878).

The spelling of 64545332 in words is "sixty-four million, five hundred forty-five thousand, three hundred thirty-two".