42802145 has 8 divisors (see below), whose sum is σ = 51632640. Its totient is φ = 34061680.

The previous prime is 42802129. The next prime is 42802153. The reversal of 42802145 is 54120824.

It is a happy number.

42802145 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 not a de Polignac number, because 42802145 - 2⁴ = 42802129 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 21455 + ... + 23364.

It is an arithmetic number, because the mean of its divisors is an integer number (6454080).

Almost surely, 2^42802145 is an apocalyptic number.

It is an amenable number.

42802145 is a deficient number, since it is larger than the sum of its proper divisors (8830495).

42802145 is a wasteful number, since it uses less digits than its factorization.

42802145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45015.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42802145 is about 6542.3348278730. The cubic root of 42802145 is about 349.8016427072.

Adding to 42802145 its reverse (54120824), we get a palindrome (96922969).

The spelling of 42802145 in words is "forty-two million, eight hundred two thousand, one hundred forty-five".