65545045 has 4 divisors (see below), whose sum is σ = 78654060. Its totient is φ = 52436032.

The previous prime is 65545043. The next prime is 65545057. The reversal of 65545045 is 54054556.

65545045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16573041 + 48972004 = 4071^2 + 6998^2 .

It is a cyclic number.

It is not a de Polignac number, because 65545045 - 2¹ = 65545043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65545045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65545043) 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 3 ways as a sum of consecutive naturals, for example, 6554500 + ... + 6554509.

It is an arithmetic number, because the mean of its divisors is an integer number (19663515).

Almost surely, 2^65545045 is an apocalyptic number.

It is an amenable number.

65545045 is a deficient number, since it is larger than the sum of its proper divisors (13109015).

65545045 is a wasteful number, since it uses less digits than its factorization.

65545045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109014.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 65545045 is about 8095.9894392224. The cubic root of 65545045 is about 403.1932832672.

The spelling of 65545045 in words is "sixty-five million, five hundred forty-five thousand, forty-five".