42545485 has 16 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 32310720.

The previous prime is 42545483. The next prime is 42545497. The reversal of 42545485 is 58454524.

It is not a de Polignac number, because 42545485 - 2¹ = 42545483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545483) 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 15 ways as a sum of consecutive naturals, for example, 5626 + ... + 10804.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^42545485 is an apocalyptic number.

It is an amenable number.

42545485 is a deficient number, since it is larger than the sum of its proper divisors (11160755).

42545485 is a wasteful number, since it uses less digits than its factorization.

42545485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its digits is 128000, while the sum is 37.

The square root of 42545485 is about 6522.6900125638. The cubic root of 42545485 is about 349.1010536508.

The spelling of 42545485 in words is "forty-two million, five hundred forty-five thousand, four hundred eighty-five".