65338144 has 12 divisors (see below), whose sum is σ = 128634534. Its totient is φ = 32669056.

The previous prime is 65338129. The next prime is 65338171. The reversal of 65338144 is 44183356.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 374544 = 8060^2 + 612^2 .

It is a super-2 number, since 2×65338144² = 8538146122729472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020877 + ... + 1020940.

Almost surely, 2^65338144 is an apocalyptic number.

It is an amenable number.

65338144 is a deficient number, since it is larger than the sum of its proper divisors (63296390).

65338144 is a wasteful number, since it uses less digits than its factorization.

65338144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041827 (or 2041819 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 65338144 is about 8083.2013460015. The cubic root of 65338144 is about 402.7685930201.

The spelling of 65338144 in words is "sixty-five million, three hundred thirty-eight thousand, one hundred forty-four".