42284542 has 8 divisors (see below), whose sum is σ = 67157856. Its totient is φ = 19898592.

The previous prime is 42284521. The next prime is 42284549. The reversal of 42284542 is 24548224.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42284549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621798 + ... + 621865.

It is an arithmetic number, because the mean of its divisors is an integer number (8394732).

Almost surely, 2^42284542 is an apocalyptic number.

42284542 is a deficient number, since it is larger than the sum of its proper divisors (24873314).

42284542 is a wasteful number, since it uses less digits than its factorization.

42284542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243682.

The product of its digits is 20480, while the sum is 31.

The square root of 42284542 is about 6502.6565340636. The cubic root of 42284542 is about 348.3858790466.

The spelling of 42284542 in words is "forty-two million, two hundred eighty-four thousand, five hundred forty-two".