42306106 has 4 divisors (see below), whose sum is σ = 63459162. Its totient is φ = 21153052.

The previous prime is 42306101. The next prime is 42306119. The reversal of 42306106 is 60160324.

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., 22137025 + 20169081 = 4705^2 + 4491^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42306101) 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 as a sum of consecutive naturals, namely, 10576525 + ... + 10576528.

Almost surely, 2^42306106 is an apocalyptic number.

42306106 is a deficient number, since it is larger than the sum of its proper divisors (21153056).

42306106 is a wasteful number, since it uses less digits than its factorization.

42306106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21153055.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42306106 is about 6504.3144142946. The cubic root of 42306106 is about 348.4450915155.

The spelling of 42306106 in words is "forty-two million, three hundred six thousand, one hundred six".