65606145245 has 4 divisors (see below), whose sum is σ = 78727374300. Its totient is φ = 52484916192.

The previous prime is 65606145191. The next prime is 65606145299. The reversal of 65606145245 is 54254160656.

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

It is an interprime number because it is at equal distance from previous prime (65606145191) and next prime (65606145299).

It can be written as a sum of positive squares in 2 ways, for example, as 27347567641 + 38258577604 = 165371^2 + 195598^2 .

It is a cyclic number.

It is not a de Polignac number, because 65606145245 - 2²² = 65601950941 is a prime.

It is a super-2 number, since 2×65606145245² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65606145196 and 65606145205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6560614520 + ... + 6560614529.

It is an arithmetic number, because the mean of its divisors is an integer number (19681843575).

Almost surely, 2^65606145245 is an apocalyptic number.

It is an amenable number.

65606145245 is a deficient number, since it is larger than the sum of its proper divisors (13121229055).

65606145245 is a wasteful number, since it uses less digits than its factorization.

65606145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13121229054.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 65606145245 in words is "sixty-five billion, six hundred six million, one hundred forty-five thousand, two hundred forty-five".