42545355 has 8 divisors (see below), whose sum is σ = 68072592. Its totient is φ = 22690848.

The previous prime is 42545297. The next prime is 42545357. The reversal of 42545355 is 55354524.

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

It is not a de Polignac number, because 42545355 - 2¹⁶ = 42479819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42545357) by changing a digit.

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, 1418164 + ... + 1418193.

It is an arithmetic number, because the mean of its divisors is an integer number (8509074).

Almost surely, 2^42545355 is an apocalyptic number.

42545355 is a deficient number, since it is larger than the sum of its proper divisors (25527237).

42545355 is a wasteful number, since it uses less digits than its factorization.

42545355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836365.

The product of its digits is 60000, while the sum is 33.

The square root of 42545355 is about 6522.6800473425. The cubic root of 42545355 is about 349.1006980848.

Adding to 42545355 its reverse (55354524), we get a palindrome (97899879).

The spelling of 42545355 in words is "forty-two million, five hundred forty-five thousand, three hundred fifty-five".