65143195 has 16 divisors (see below), whose sum is σ = 84369600. Its totient is φ = 48000384.

The previous prime is 65143189. The next prime is 65143207. The reversal of 65143195 is 59134156.

It is a cyclic number.

It is not a de Polignac number, because 65143195 - 2¹⁵ = 65110427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65143195.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41281 + ... + 42829.

It is an arithmetic number, because the mean of its divisors is an integer number (5273100).

Almost surely, 2^65143195 is an apocalyptic number.

65143195 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

65143195 is a deficient number, since it is larger than the sum of its proper divisors (19226405).

65143195 is a wasteful number, since it uses less digits than its factorization.

65143195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214.

The product of its digits is 16200, while the sum is 34.

The square root of 65143195 is about 8071.1334396106. The cubic root of 65143195 is about 402.3676146029.

The spelling of 65143195 in words is "sixty-five million, one hundred forty-three thousand, one hundred ninety-five".