65445236 has 12 divisors (see below), whose sum is σ = 114585828. Its totient is φ = 32706432.

The previous prime is 65445229. The next prime is 65445271. The reversal of 65445236 is 63254456.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57093136 + 8352100 = 7556^2 + 2890^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65445196 and 65445205.

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, 13580 + ... + 17756.

It is an arithmetic number, because the mean of its divisors is an integer number (9548819).

Almost surely, 2^65445236 is an apocalyptic number.

It is an amenable number.

65445236 is a deficient number, since it is larger than the sum of its proper divisors (49140592).

65445236 is a wasteful number, since it uses less digits than its factorization.

65445236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8098 (or 8096 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 65445236 is about 8089.8229894108. The cubic root of 65445236 is about 402.9885245292.

The spelling of 65445236 in words is "sixty-five million, four hundred forty-five thousand, two hundred thirty-six".