42545274 has 16 divisors (see below), whose sum is σ = 85263840. Its totient is φ = 14152880.

The previous prime is 42545221. The next prime is 42545287. The reversal of 42545274 is 47254524.

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, 3912 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (5328990).

Almost surely, 2^42545274 is an apocalyptic number.

42545274 is an abundant number, since it is smaller than the sum of its proper divisors (42718566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42545274 is a wasteful number, since it uses less digits than its factorization.

42545274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445.

The product of its digits is 44800, while the sum is 33.

The square root of 42545274 is about 6522.6738382354. The cubic root of 42545274 is about 349.1004765395.

Adding to 42545274 its reverse (47254524), we get a palindrome (89799798).

The spelling of 42545274 in words is "forty-two million, five hundred forty-five thousand, two hundred seventy-four".