65546145 has 64 divisors (see below), whose sum is σ = 134400000. Its totient is φ = 29688768.

The previous prime is 65546137. The next prime is 65546191. The reversal of 65546145 is 54164556.

65546145 is a `hidden beast` number, since 6 + 554 + 61 + 45 = 666.

65546145 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 65546145 - 2³ = 65546137 is a prime.

It is a super-2 number, since 2×65546145² = 8592594248722050, which contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 131106 + ... + 131604.

It is an arithmetic number, because the mean of its divisors is an integer number (2100000).

Almost surely, 2^65546145 is an apocalyptic number.

It is an amenable number.

65546145 is an abundant number, since it is smaller than the sum of its proper divisors (68853855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65546145 is a wasteful number, since it uses less digits than its factorization.

65546145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 653 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 65546145 is about 8096.0573738086. The cubic root of 65546145 is about 403.1955387651.

The spelling of 65546145 in words is "sixty-five million, five hundred forty-six thousand, one hundred forty-five".