65145303161625 has 64 divisors (see below), whose sum is σ = 109392350086656. Its totient is φ = 34426848512000.

The previous prime is 65145303161623. The next prime is 65145303161663. The reversal of 65145303161625 is 52616130354156.

It is not a de Polignac number, because 65145303161625 - 2¹ = 65145303161623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65145303161623) 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, 149238685 + ... + 149674565.

It is an arithmetic number, because the mean of its divisors is an integer number (1709255470104).

Almost surely, 2^{65145303161625} is an apocalyptic number.

It is an amenable number.

65145303161625 is a deficient number, since it is larger than the sum of its proper divisors (44247046925031).

65145303161625 is a wasteful number, since it uses less digits than its factorization.

65145303161625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439539 (or 439529 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 65145303161625 in words is "sixty-five trillion, one hundred forty-five billion, three hundred three million, one hundred sixty-one thousand, six hundred twenty-five".