42454305 has 12 divisors (see below), whose sum is σ = 73587540. Its totient is φ = 22642272.

The previous prime is 42454267. The next prime is 42454327. The reversal of 42454305 is 50345424.

It can be written as a sum of positive squares in 2 ways, for example, as 22014864 + 20439441 = 4692^2 + 4521^2 .

It is not a de Polignac number, because 42454305 - 2⁷ = 42454177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471670 + ... + 471759.

It is an arithmetic number, because the mean of its divisors is an integer number (6132295).

Almost surely, 2^42454305 is an apocalyptic number.

42454305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42454305 is a deficient number, since it is larger than the sum of its proper divisors (31133235).

42454305 is a wasteful number, since it uses less digits than its factorization.

42454305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943440 (or 943437 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 42454305 is about 6515.6968161510. The cubic root of 42454305 is about 348.8514870172.

Adding to 42454305 its reverse (50345424), we get a palindrome (92799729).

The spelling of 42454305 in words is "forty-two million, four hundred fifty-four thousand, three hundred five".