42885147 has 16 divisors (see below), whose sum is σ = 61592960. Its totient is φ = 26453952.

The previous prime is 42885119. The next prime is 42885149. The reversal of 42885147 is 74158824.

It is a happy number.

It is not a de Polignac number, because 42885147 - 2⁶ = 42885083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42885149) 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, 6298 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (3849560).

Almost surely, 2^42885147 is an apocalyptic number.

42885147 is a deficient number, since it is larger than the sum of its proper divisors (18707813).

42885147 is a wasteful number, since it uses less digits than its factorization.

42885147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17562.

The product of its digits is 71680, while the sum is 39.

The square root of 42885147 is about 6548.6752095367. The cubic root of 42885147 is about 350.0276087065.

The spelling of 42885147 in words is "forty-two million, eight hundred eighty-five thousand, one hundred forty-seven".