42454463 has 4 divisors (see below), whose sum is σ = 43918440. Its totient is φ = 40990488.

The previous prime is 42454427. The next prime is 42454471. The reversal of 42454463 is 36445424.

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 42454463 - 2¹² = 42450367 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 (42459463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731945 + ... + 732002.

It is an arithmetic number, because the mean of its divisors is an integer number (10979610).

Almost surely, 2^42454463 is an apocalyptic number.

42454463 is a deficient number, since it is larger than the sum of its proper divisors (1463977).

42454463 is a wasteful number, since it uses less digits than its factorization.

42454463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463976.

The product of its digits is 46080, while the sum is 32.

The square root of 42454463 is about 6515.7089407063. The cubic root of 42454463 is about 348.8519197842.

Adding to 42454463 its reverse (36445424), we get a palindrome (78899887).

The spelling of 42454463 in words is "forty-two million, four hundred fifty-four thousand, four hundred sixty-three".