42545226 has 8 divisors (see below), whose sum is σ = 85090464. Its totient is φ = 14181740.

The previous prime is 42545221. The next prime is 42545287. The reversal of 42545226 is 62254524.

It is a happy number.

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

42545226 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 42545193 and 42545202.

It is not an unprimeable number, because it can be changed into a prime (42545221) 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, 3545430 + ... + 3545441.

It is an arithmetic number, because the mean of its divisors is an integer number (10636308).

Almost surely, 2^42545226 is an apocalyptic number.

42545226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42545226 is a wasteful number, since it uses less digits than its factorization.

42545226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090876.

The product of its digits is 19200, while the sum is 30.

The square root of 42545226 is about 6522.6701587617. The cubic root of 42545226 is about 349.1003452532.

The spelling of 42545226 in words is "forty-two million, five hundred forty-five thousand, two hundred twenty-six".