4065146 has 4 divisors (see below), whose sum is σ = 6097722. Its totient is φ = 2032572.

The previous prime is 4065137. The next prime is 4065157. The reversal of 4065146 is 6415604.

It is a happy number.

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., 4044121 + 21025 = 2011^2 + 145^2 .

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, 1016285 + ... + 1016288.

Almost surely, 2^4065146 is an apocalyptic number.

4065146 is a deficient number, since it is larger than the sum of its proper divisors (2032576).

4065146 is a wasteful number, since it uses less digits than its factorization.

4065146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032575.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4065146 is about 2016.2207220441. The cubic root of 4065146 is about 159.5972422226.

The spelling of 4065146 in words is "four million, sixty-five thousand, one hundred forty-six".