42587545 has 64 divisors (see below), whose sum is σ = 70189056. Its totient is φ = 23950080.

The previous prime is 42587509. The next prime is 42587551. The reversal of 42587545 is 54578524.

42587545 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 42587545 - 2⁹ = 42587033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42587498 and 42587507.

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 63 ways as a sum of consecutive naturals, for example, 335272 + ... + 335398.

It is an arithmetic number, because the mean of its divisors is an integer number (1096704).

Almost surely, 2^42587545 is an apocalyptic number.

It is an amenable number.

42587545 is a deficient number, since it is larger than the sum of its proper divisors (27601511).

42587545 is a wasteful number, since it uses less digits than its factorization.

42587545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 224000, while the sum is 40.

The square root of 42587545 is about 6525.9133460382. The cubic root of 42587545 is about 349.2160549208.

The spelling of 42587545 in words is "forty-two million, five hundred eighty-seven thousand, five hundred forty-five".