65044145 has 8 divisors (see below), whose sum is σ = 78446400. Its totient is φ = 51773040.

The previous prime is 65044141. The next prime is 65044153. The reversal of 65044145 is 54144056.

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

It is not a de Polignac number, because 65044145 - 2² = 65044141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65044141) 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, 31691 + ... + 33680.

It is an arithmetic number, because the mean of its divisors is an integer number (9805800).

Almost surely, 2^65044145 is an apocalyptic number.

It is an amenable number.

65044145 is a deficient number, since it is larger than the sum of its proper divisors (13402255).

65044145 is a wasteful number, since it uses less digits than its factorization.

65044145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65575.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 65044145 is about 8064.9950402961. The cubic root of 65044145 is about 402.1635783059.

The spelling of 65044145 in words is "sixty-five million, forty-four thousand, one hundred forty-five".