42452546 has 16 divisors (see below), whose sum is σ = 64982400. Its totient is φ = 20796048.

The previous prime is 42452537. The next prime is 42452551. The reversal of 42452546 is 64525424.

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 7 ways as a sum of consecutive naturals, for example, 20996 + ... + 22928.

It is an arithmetic number, because the mean of its divisors is an integer number (4061400).

Almost surely, 2^42452546 is an apocalyptic number.

42452546 is a deficient number, since it is larger than the sum of its proper divisors (22529854).

42452546 is a wasteful number, since it uses less digits than its factorization.

42452546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153.

The product of its digits is 38400, while the sum is 32.

The square root of 42452546 is about 6515.5618330271. The cubic root of 42452546 is about 348.8466689880.

The spelling of 42452546 in words is "forty-two million, four hundred fifty-two thousand, five hundred forty-six".