3142145 has 16 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 2369664.

The previous prime is 3142123. The next prime is 3142157. The reversal of 3142145 is 5412413.

3142145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3142145 is a prime.

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, 10082 + ... + 10388.

It is an arithmetic number, because the mean of its divisors is an integer number (249480).

Almost surely, 2^3142145 is an apocalyptic number.

It is an amenable number.

3142145 is a deficient number, since it is larger than the sum of its proper divisors (849535).

3142145 is a wasteful number, since it uses less digits than its factorization.

3142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424.

The product of its digits is 480, while the sum is 20.

The square root of 3142145 is about 1772.6096581030. The cubic root of 3142145 is about 146.4677716073.

Adding to 3142145 its reverse (5412413), we get a palindrome (8554558).

The spelling of 3142145 in words is "three million, one hundred forty-two thousand, one hundred forty-five".