64035445 has 4 divisors (see below), whose sum is σ = 76842540. Its totient is φ = 51228352.

The previous prime is 64035383. The next prime is 64035449. The reversal of 64035445 is 54453046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54453046 = 2 ⋅27226523.

It can be written as a sum of positive squares in 2 ways, for example, as 9998244 + 54037201 = 3162^2 + 7351^2 .

It is a cyclic number.

It is not a de Polignac number, because 64035445 - 2²³ = 55646837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64035449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6403540 + ... + 6403549.

It is an arithmetic number, because the mean of its divisors is an integer number (19210635).

Almost surely, 2^64035445 is an apocalyptic number.

It is an amenable number.

64035445 is a deficient number, since it is larger than the sum of its proper divisors (12807095).

64035445 is a wasteful number, since it uses less digits than its factorization.

64035445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807094.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 64035445 is about 8002.2150058593. The cubic root of 64035445 is about 400.0738301219.

The spelling of 64035445 in words is "sixty-four million, thirty-five thousand, four hundred forty-five".