64201146 has 32 divisors (see below), whose sum is σ = 136805760. Its totient is φ = 20015616.

The previous prime is 64201127. The next prime is 64201153. The reversal of 64201146 is 64110246.

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, 15150 + ... + 18918.

It is an arithmetic number, because the mean of its divisors is an integer number (4275180).

Almost surely, 2^64201146 is an apocalyptic number.

64201146 is an abundant number, since it is smaller than the sum of its proper divisors (72604614).

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

64201146 is a wasteful number, since it uses less digits than its factorization.

64201146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 64201146 is about 8012.5617626325. The cubic root of 64201146 is about 400.4186159156.

The spelling of 64201146 in words is "sixty-four million, two hundred one thousand, one hundred forty-six".