42352545 has 16 divisors (see below), whose sum is σ = 70710912. Its totient is φ = 21605760.

The previous prime is 42352537. The next prime is 42352547. The reversal of 42352545 is 54525324.

42352545 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 42352545 - 2³ = 42352537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42352547) 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, 61036 + ... + 61725.

It is an arithmetic number, because the mean of its divisors is an integer number (4419432).

Almost surely, 2^42352545 is an apocalyptic number.

It is an amenable number.

42352545 is a deficient number, since it is larger than the sum of its proper divisors (28358367).

42352545 is a wasteful number, since it uses less digits than its factorization.

42352545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122792.

The product of its digits is 24000, while the sum is 30.

The square root of 42352545 is about 6507.8832964336. The cubic root of 42352545 is about 348.5725398203.

Adding to 42352545 its reverse (54525324), we get a palindrome (96877869).

The spelling of 42352545 in words is "forty-two million, three hundred fifty-two thousand, five hundred forty-five".