3642145 has 16 divisors (see below), whose sum is σ = 4752720. Its totient is φ = 2663424.

The previous prime is 3642101. The next prime is 3642157. The reversal of 3642145 is 5412463.

3642145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1681 + 3640464 = 41^2 + 1908^2 .

It is a cyclic number.

It is not a de Polignac number, because 3642145 - 2⁹ = 3641633 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8701 + ... + 9109.

It is an arithmetic number, because the mean of its divisors is an integer number (297045).

Almost surely, 2^3642145 is an apocalyptic number.

It is an amenable number.

3642145 is a deficient number, since it is larger than the sum of its proper divisors (1110575).

3642145 is a wasteful number, since it uses less digits than its factorization.

3642145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564.

The product of its digits is 2880, while the sum is 25.

The square root of 3642145 is about 1908.4404627863. The cubic root of 3642145 is about 153.8576437893.

The spelling of 3642145 in words is "three million, six hundred forty-two thousand, one hundred forty-five".