65044245 has 64 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 27955200.

The previous prime is 65044237. The next prime is 65044247. The reversal of 65044245 is 54244056.

It is not a de Polignac number, because 65044245 - 2³ = 65044237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65044247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 124585 + ... + 125105.

It is an arithmetic number, because the mean of its divisors is an integer number (1973160).

Almost surely, 2^65044245 is an apocalyptic number.

It is an amenable number.

65044245 is a deficient number, since it is larger than the sum of its proper divisors (61237995).

65044245 is a wasteful number, since it uses less digits than its factorization.

65044245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 65044245 is about 8065.0012399255. The cubic root of 65044245 is about 402.1637844036.

The spelling of 65044245 in words is "sixty-five million, forty-four thousand, two hundred forty-five".