65107445 has 16 divisors (see below), whose sum is σ = 84307440. Its totient is φ = 47983104.

The previous prime is 65107421. The next prime is 65107447. The reversal of 65107445 is 54470156.

It can be written as a sum of positive squares in 8 ways, for example, as 18335524 + 46771921 = 4282^2 + 6839^2 .

It is not a de Polignac number, because 65107445 - 2¹² = 65103349 is a prime.

It is a super-3 number, since 3×65107445³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65107447) 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 15 ways as a sum of consecutive naturals, for example, 60371 + ... + 61439.

It is an arithmetic number, because the mean of its divisors is an integer number (5269215).

Almost surely, 2^65107445 is an apocalyptic number.

65107445 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65107445 is a deficient number, since it is larger than the sum of its proper divisors (19199995).

65107445 is a wasteful number, since it uses less digits than its factorization.

65107445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 65107445 is about 8068.9184529279. The cubic root of 65107445 is about 402.2939958905.

The spelling of 65107445 in words is "sixty-five million, one hundred seven thousand, four hundred forty-five".