42813045 has 24 divisors (see below), whose sum is σ = 80956512. Its totient is φ = 20757600.

The previous prime is 42813011. The next prime is 42813047. The reversal of 42813045 is 54031824.

42813045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42813045 - 2¹¹ = 42810997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42813047) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 42751 + ... + 43740.

It is an arithmetic number, because the mean of its divisors is an integer number (3373188).

Almost surely, 2^42813045 is an apocalyptic number.

42813045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42813045 is a deficient number, since it is larger than the sum of its proper divisors (38143467).

42813045 is a wasteful number, since it uses less digits than its factorization.

42813045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86513 (or 86510 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42813045 is about 6543.1678107779. The cubic root of 42813045 is about 349.8313336981.

Adding to 42813045 its reverse (54031824), we get a palindrome (96844869).

The spelling of 42813045 in words is "forty-two million, eight hundred thirteen thousand, forty-five".