42146164 has 12 divisors (see below), whose sum is σ = 76299300. Its totient is φ = 20346368.

The previous prime is 42146147. The next prime is 42146171. The reversal of 42146164 is 46164124.

It can be written as a sum of positive squares in 2 ways, for example, as 22165264 + 19980900 = 4708^2 + 4470^2 .

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 3 ways as a sum of consecutive naturals, for example, 181549 + ... + 181780.

It is an arithmetic number, because the mean of its divisors is an integer number (6358275).

Almost surely, 2^42146164 is an apocalyptic number.

It is an amenable number.

42146164 is a deficient number, since it is larger than the sum of its proper divisors (34153136).

42146164 is a wasteful number, since it uses less digits than its factorization.

42146164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363362 (or 363360 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 42146164 is about 6492.0077017822. The cubic root of 42146164 is about 348.0054277570.

The spelling of 42146164 in words is "forty-two million, one hundred forty-six thousand, one hundred sixty-four".