65144862 has 12 divisors (see below), whose sum is σ = 141147240. Its totient is φ = 21714948.

The previous prime is 65144861. The next prime is 65144879. The reversal of 65144862 is 26844156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65144861) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1809562 + ... + 1809597.

It is an arithmetic number, because the mean of its divisors is an integer number (11762270).

Almost surely, 2^65144862 is an apocalyptic number.

65144862 is an abundant number, since it is smaller than the sum of its proper divisors (76002378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65144862 is a wasteful number, since it uses less digits than its factorization.

65144862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619167 (or 3619164 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 65144862 is about 8071.2367082127. The cubic root of 65144862 is about 402.3710467399.

The spelling of 65144862 in words is "sixty-five million, one hundred forty-four thousand, eight hundred sixty-two".