65144356 has 6 divisors (see below), whose sum is σ = 114002630. Its totient is φ = 32572176.

The previous prime is 65144341. The next prime is 65144363. The reversal of 65144356 is 65344156.

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 15920100 = 7016^2 + 3990^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8143041 + ... + 8143048.

Almost surely, 2^65144356 is an apocalyptic number.

It is an amenable number.

65144356 is a deficient number, since it is larger than the sum of its proper divisors (48858274).

65144356 is a wasteful number, since it uses less digits than its factorization.

65144356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16286093 (or 16286091 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 65144356 is about 8071.2053622740. The cubic root of 65144356 is about 402.3700049576.

The spelling of 65144356 in words is "sixty-five million, one hundred forty-four thousand, three hundred fifty-six".