42145653 has 16 divisors (see below), whose sum is σ = 62462016. Its totient is φ = 25059840.

The previous prime is 42145651. The next prime is 42145679. The reversal of 42145653 is 35654124.

42145653 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 42145653 - 2¹ = 42145651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42145653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42145651) 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 15 ways as a sum of consecutive naturals, for example, 10300 + ... + 13797.

It is an arithmetic number, because the mean of its divisors is an integer number (3903876).

Almost surely, 2^42145653 is an apocalyptic number.

It is an amenable number.

42145653 is a deficient number, since it is larger than the sum of its proper divisors (20316363).

42145653 is a wasteful number, since it uses less digits than its factorization.

42145653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164.

The product of its digits is 14400, while the sum is 30.

The square root of 42145653 is about 6491.9683455790. The cubic root of 42145653 is about 348.0040212906.

Adding to 42145653 its reverse (35654124), we get a palindrome (77799777).

The spelling of 42145653 in words is "forty-two million, one hundred forty-five thousand, six hundred fifty-three".