42522454 has 8 divisors (see below), whose sum is σ = 68690160. Its totient is φ = 19625736.

The previous prime is 42522443. The next prime is 42522481. The reversal of 42522454 is 45422524.

42522454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817714 + ... + 817765.

It is an arithmetic number, because the mean of its divisors is an integer number (8586270).

Almost surely, 2^42522454 is an apocalyptic number.

42522454 is a deficient number, since it is larger than the sum of its proper divisors (26167706).

42522454 is a wasteful number, since it uses less digits than its factorization.

42522454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635494.

The product of its digits is 12800, while the sum is 28.

The square root of 42522454 is about 6520.9243209840. The cubic root of 42522454 is about 349.0380497262.

Adding to 42522454 its reverse (45422524), we get a palindrome (87944978).

The spelling of 42522454 in words is "forty-two million, five hundred twenty-two thousand, four hundred fifty-four".