65456545 has 64 divisors (see below), whose sum is σ = 105878016. Its totient is φ = 37601280.

The previous prime is 65456543. The next prime is 65456549. The reversal of 65456545 is 54565456.

65456545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 65456545 - 2¹ = 65456543 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

Its product of digits (360000) is a multiple of the sum of its prime divisors (250).

It is a junction number, because it is equal to n+sod(n) for n = 65456498 and 65456507.

It is not an unprimeable number, because it can be changed into a prime (65456543) 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, 477717 + ... + 477853.

It is an arithmetic number, because the mean of its divisors is an integer number (1654344).

Almost surely, 2^65456545 is an apocalyptic number.

It is an amenable number.

65456545 is a deficient number, since it is larger than the sum of its proper divisors (40421471).

65456545 is a wasteful number, since it uses less digits than its factorization.

65456545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250.

The product of its digits is 360000, while the sum is 40.

The square root of 65456545 is about 8090.5219238316. The cubic root of 65456545 is about 403.0117354611.

The spelling of 65456545 in words is "sixty-five million, four hundred fifty-six thousand, five hundred forty-five".