64610145 has 24 divisors (see below), whose sum is σ = 112185216. Its totient is φ = 34399008.

The previous prime is 64610141. The next prime is 64610167. The reversal of 64610145 is 54101646.

64610145 is a `hidden beast` number, since 6 + 4 + 610 + 1 + 45 = 666.

It is not a de Polignac number, because 64610145 - 2² = 64610141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64610141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40024 + ... + 41606.

It is an arithmetic number, because the mean of its divisors is an integer number (4674384).

Almost surely, 2^64610145 is an apocalyptic number.

It is an amenable number.

64610145 is a deficient number, since it is larger than the sum of its proper divisors (47575071).

64610145 is a wasteful number, since it uses less digits than its factorization.

64610145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 64610145 is about 8038.0436052562. The cubic root of 64610145 is about 401.2671172131.

The spelling of 64610145 in words is "sixty-four million, six hundred ten thousand, one hundred forty-five".