65145573 has 8 divisors (see below), whose sum is σ = 96512000. Its totient is φ = 43430364.

The previous prime is 65145557. The next prime is 65145583. The reversal of 65145573 is 37554156.

65145573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65145573 - 2⁴ = 65145557 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 (65145523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206373 + ... + 1206426.

It is an arithmetic number, because the mean of its divisors is an integer number (12064000).

Almost surely, 2^65145573 is an apocalyptic number.

It is an amenable number.

65145573 is a deficient number, since it is larger than the sum of its proper divisors (31366427).

65145573 is a wasteful number, since it uses less digits than its factorization.

65145573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412808 (or 2412802 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 65145573 is about 8071.2807533873. The cubic root of 65145573 is about 402.3725105789.

The spelling of 65145573 in words is "sixty-five million, one hundred forty-five thousand, five hundred seventy-three".