64030445 has 8 divisors (see below), whose sum is σ = 76931736. Its totient is φ = 51160896.

The previous prime is 64030441. The next prime is 64030451. The reversal of 64030445 is 54403046.

It can be written as a sum of positive squares in 4 ways, for example, as 1841449 + 62188996 = 1357^2 + 7886^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64030445 - 2² = 64030441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64030441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3242 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (9616467).

Almost surely, 2^64030445 is an apocalyptic number.

It is an amenable number.

64030445 is a deficient number, since it is larger than the sum of its proper divisors (12901291).

64030445 is a wasteful number, since it uses less digits than its factorization.

64030445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15871.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 64030445 is about 8001.9025862603. The cubic root of 64030445 is about 400.0634170285.

The spelling of 64030445 in words is "sixty-four million, thirty thousand, four hundred forty-five".