42185246 has 4 divisors (see below), whose sum is σ = 63277872. Its totient is φ = 21092622.

The previous prime is 42185237. The next prime is 42185287. The reversal of 42185246 is 64258124.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10546310 + ... + 10546313.

It is an arithmetic number, because the mean of its divisors is an integer number (15819468).

Almost surely, 2^42185246 is an apocalyptic number.

42185246 is a deficient number, since it is larger than the sum of its proper divisors (21092626).

42185246 is a wasteful number, since it uses less digits than its factorization.

42185246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21092625.

The product of its digits is 15360, while the sum is 32.

The square root of 42185246 is about 6495.0170130647. The cubic root of 42185246 is about 348.1129626231.

The spelling of 42185246 in words is "forty-two million, one hundred eighty-five thousand, two hundred forty-six".