42454142 has 8 divisors (see below), whose sum is σ = 63780696. Its totient is φ = 21193912.

The previous prime is 42454129. The next prime is 42454169. The reversal of 42454142 is 24145424.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14948 + ... + 17559.

It is an arithmetic number, because the mean of its divisors is an integer number (7972587).

Almost surely, 2^42454142 is an apocalyptic number.

42454142 is a deficient number, since it is larger than the sum of its proper divisors (21326554).

42454142 is a wasteful number, since it uses less digits than its factorization.

42454142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162.

The product of its digits is 5120, while the sum is 26.

The square root of 42454142 is about 6515.6843078836. The cubic root of 42454142 is about 348.8510405539.

Adding to 42454142 its reverse (24145424), we get a palindrome (66599566).

The spelling of 42454142 in words is "forty-two million, four hundred fifty-four thousand, one hundred forty-two".