42660149 has 16 divisors (see below), whose sum is σ = 52713600. Its totient is φ = 33701184.

The previous prime is 42660143. The next prime is 42660169. The reversal of 42660149 is 94106624.

It is a happy number.

42660149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42660149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42660143) 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, 587 + ... + 9255.

It is an arithmetic number, because the mean of its divisors is an integer number (3294600).

Almost surely, 2^42660149 is an apocalyptic number.

It is an amenable number.

42660149 is a deficient number, since it is larger than the sum of its proper divisors (10053451).

42660149 is a wasteful number, since it uses less digits than its factorization.

42660149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8732.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 42660149 is about 6531.4737234410. The cubic root of 42660149 is about 349.4143921563.

The spelling of 42660149 in words is "forty-two million, six hundred sixty thousand, one hundred forty-nine".