42454246 has 16 divisors (see below), whose sum is σ = 67791600. Its totient is φ = 19882368.

The previous prime is 42454177. The next prime is 42454267. The reversal of 42454246 is 64245424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (4236975).

Almost surely, 2^42454246 is an apocalyptic number.

42454246 is a deficient number, since it is larger than the sum of its proper divisors (25337354).

42454246 is a wasteful number, since it uses less digits than its factorization.

42454246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663.

The product of its digits is 30720, while the sum is 31.

The square root of 42454246 is about 6515.6922886214. The cubic root of 42454246 is about 348.8513254140.

The spelling of 42454246 in words is "forty-two million, four hundred fifty-four thousand, two hundred forty-six".