64334146 has 4 divisors (see below), whose sum is σ = 96501222. Its totient is φ = 32167072.

The previous prime is 64334143. The next prime is 64334191. The reversal of 64334146 is 64143346.

It is a happy number.

64334146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 41667025 + 22667121 = 6455^2 + 4761^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64334143) by changing a digit.

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, 16083535 + ... + 16083538.

Almost surely, 2^64334146 is an apocalyptic number.

64334146 is a deficient number, since it is larger than the sum of its proper divisors (32167076).

64334146 is a wasteful number, since it uses less digits than its factorization.

64334146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32167075.

The product of its digits is 20736, while the sum is 31.

The square root of 64334146 is about 8020.8569367618. The cubic root of 64334146 is about 400.6949294834.

The spelling of 64334146 in words is "sixty-four million, three hundred thirty-four thousand, one hundred forty-six".