42446135 has 4 divisors (see below), whose sum is σ = 50935368. Its totient is φ = 33956904.

The previous prime is 42446113. The next prime is 42446149. The reversal of 42446135 is 53164424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42446135 - 2¹⁶ = 42380599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42446098 and 42446107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244609 + ... + 4244618.

It is an arithmetic number, because the mean of its divisors is an integer number (12733842).

Almost surely, 2^42446135 is an apocalyptic number.

42446135 is a deficient number, since it is larger than the sum of its proper divisors (8489233).

42446135 is an equidigital number, since it uses as much as digits as its factorization.

42446135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8489232.

The product of its digits is 11520, while the sum is 29.

The square root of 42446135 is about 6515.0698384591. The cubic root of 42446135 is about 348.8291076652.

The spelling of 42446135 in words is "forty-two million, four hundred forty-six thousand, one hundred thirty-five".