64144082 has 4 divisors (see below), whose sum is σ = 96216126. Its totient is φ = 32072040.

The previous prime is 64144037. The next prime is 64144099. The reversal of 64144082 is 28044146.

64144082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 8009²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64144081 + 1 = 8009^2 + 1^2 .

It is a super-2 number, since 2×64144082² = 8228926511245448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16036019 + ... + 16036022.

Almost surely, 2^64144082 is an apocalyptic number.

64144082 is a deficient number, since it is larger than the sum of its proper divisors (32072044).

64144082 is a wasteful number, since it uses less digits than its factorization.

64144082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32072043.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 64144082 is about 8009.0000624298. Note that the first 4 decimals coincide. The cubic root of 64144082 is about 400.2999458583.

The spelling of 64144082 in words is "sixty-four million, one hundred forty-four thousand, eighty-two".