42454130 has 8 divisors (see below), whose sum is σ = 76417452. Its totient is φ = 16981648.

The previous prime is 42454129. The next prime is 42454169. The reversal of 42454130 is 3145424.

42454130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42393121 + 61009 = 6511^2 + 247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42454096 and 42454105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2122697 + ... + 2122716.

Almost surely, 2^42454130 is an apocalyptic number.

42454130 is a deficient number, since it is larger than the sum of its proper divisors (33963322).

42454130 is a wasteful number, since it uses less digits than its factorization.

42454130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245420.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42454130 is about 6515.6833870286. The cubic root of 42454130 is about 348.8510076854.

Adding to 42454130 its reverse (3145424), we get a palindrome (45599554).

The spelling of 42454130 in words is "forty-two million, four hundred fifty-four thousand, one hundred thirty".