64045332 has 36 divisors (see below), whose sum is σ = 174346900. Its totient is φ = 19706112.

The previous prime is 64045277. The next prime is 64045343. The reversal of 64045332 is 23354046.

It can be written as a sum of positive squares in 2 ways, for example, as 3111696 + 60933636 = 1764^2 + 7806^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 64045296 and 64045305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67957 + ... + 68892.

Almost surely, 2^64045332 is an apocalyptic number.

It is an amenable number.

64045332 is an abundant number, since it is smaller than the sum of its proper divisors (110301568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64045332 is a wasteful number, since it uses less digits than its factorization.

64045332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136872 (or 136867 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 64045332 is about 8002.8327484710. The cubic root of 64045332 is about 400.0944193774.

Adding to 64045332 its reverse (23354046), we get a palindrome (87399378).

The spelling of 64045332 in words is "sixty-four million, forty-five thousand, three hundred thirty-two".