42146252 has 12 divisors (see below), whose sum is σ = 73913280. Its totient is φ = 21028176.

The previous prime is 42146243. The next prime is 42146297. The reversal of 42146252 is 25264124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9083 + ... + 12914.

It is an arithmetic number, because the mean of its divisors is an integer number (6159440).

Almost surely, 2^42146252 is an apocalyptic number.

It is an amenable number.

42146252 is a deficient number, since it is larger than the sum of its proper divisors (31767028).

42146252 is a wasteful number, since it uses less digits than its factorization.

42146252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480 (or 22478 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 42146252 is about 6492.0144793431. The cubic root of 42146252 is about 348.0056699653.

The spelling of 42146252 in words is "forty-two million, one hundred forty-six thousand, two hundred fifty-two".