42648147 has 8 divisors (see below), whose sum is σ = 63182480. Its totient is φ = 28432080.

The previous prime is 42648143. The next prime is 42648169. The reversal of 42648147 is 74184624.

42648147 is a `hidden beast` number, since 4 + 2 + 648 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 42648147 - 2² = 42648143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42648143) 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 7 ways as a sum of consecutive naturals, for example, 789754 + ... + 789807.

It is an arithmetic number, because the mean of its divisors is an integer number (7897810).

Almost surely, 2^42648147 is an apocalyptic number.

42648147 is a deficient number, since it is larger than the sum of its proper divisors (20534333).

42648147 is a wasteful number, since it uses less digits than its factorization.

42648147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579570 (or 1579564 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 42648147 is about 6530.5548768845. The cubic root of 42648147 is about 349.3816210184.

The spelling of 42648147 in words is "forty-two million, six hundred forty-eight thousand, one hundred forty-seven".