65143342 has 16 divisors (see below), whose sum is σ = 109199664. Its totient is φ = 28888000.

The previous prime is 65143327. The next prime is 65143361. The reversal of 65143342 is 24334156.

It is a self number, because there is not a number n which added to its sum of digits gives 65143342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35209 + ... + 37012.

It is an arithmetic number, because the mean of its divisors is an integer number (6824979).

Almost surely, 2^65143342 is an apocalyptic number.

65143342 is a deficient number, since it is larger than the sum of its proper divisors (44056322).

65143342 is a wasteful number, since it uses less digits than its factorization.

65143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72275.

The product of its digits is 8640, while the sum is 28.

The square root of 65143342 is about 8071.1425461331. The cubic root of 65143342 is about 402.3679172592.

Adding to 65143342 its reverse (24334156), we get a palindrome (89477498).

The spelling of 65143342 in words is "sixty-five million, one hundred forty-three thousand, three hundred forty-two".