65201144 has 16 divisors (see below), whose sum is σ = 122557200. Its totient is φ = 32519232.

The previous prime is 65201107. The next prime is 65201197. The reversal of 65201144 is 44110256.

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, 6692 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (7659825).

Almost surely, 2^65201144 is an apocalyptic number.

It is an amenable number.

65201144 is a deficient number, since it is larger than the sum of its proper divisors (57356056).

65201144 is a wasteful number, since it uses less digits than its factorization.

65201144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20342 (or 20338 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 65201144 is about 8074.7225339327. The cubic root of 65201144 is about 402.4868897393.

The spelling of 65201144 in words is "sixty-five million, two hundred one thousand, one hundred forty-four".