42454111 has 4 divisors (see below), whose sum is σ = 48518992. Its totient is φ = 36389232.

The previous prime is 42454073. The next prime is 42454121. The reversal of 42454111 is 11145424.

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 42454111 - 2¹¹ = 42452063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032430 + ... + 3032443.

It is an arithmetic number, because the mean of its divisors is an integer number (12129748).

Almost surely, 2^42454111 is an apocalyptic number.

42454111 is a deficient number, since it is larger than the sum of its proper divisors (6064881).

42454111 is an equidigital number, since it uses as much as digits as its factorization.

42454111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064880.

The product of its digits is 640, while the sum is 22.

The square root of 42454111 is about 6515.6819290079. The cubic root of 42454111 is about 348.8509556436.

Adding to 42454111 its reverse (11145424), we get a palindrome (53599535).

The spelling of 42454111 in words is "forty-two million, four hundred fifty-four thousand, one hundred eleven".