42104146 has 16 divisors (see below), whose sum is σ = 72483840. Its totient is φ = 17968320.

The previous prime is 42104141. The next prime is 42104159. The reversal of 42104146 is 64140124.

It is a super-2 number, since 2×42104146² = 3545518220778632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42104141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2866 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (4530240).

Almost surely, 2^42104146 is an apocalyptic number.

42104146 is a deficient number, since it is larger than the sum of its proper divisors (30379694).

42104146 is a wasteful number, since it uses less digits than its factorization.

42104146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12729.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42104146 is about 6488.7707618624. The cubic root of 42104146 is about 347.8897402486.

The spelling of 42104146 in words is "forty-two million, one hundred four thousand, one hundred forty-six".