42645141 has 72 divisors (see below), whose sum is σ = 80028000. Its totient is φ = 21631680.

The previous prime is 42645137. The next prime is 42645173. The reversal of 42645141 is 14154624.

42645141 is a `hidden beast` number, since 4 + 2 + 645 + 14 + 1 = 666.

42645141 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 42645141 - 2² = 42645137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42645131) 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 71 ways as a sum of consecutive naturals, for example, 286135 + ... + 286283.

It is an arithmetic number, because the mean of its divisors is an integer number (1111500).

Almost surely, 2^42645141 is an apocalyptic number.

It is an amenable number.

42645141 is a deficient number, since it is larger than the sum of its proper divisors (37382859).

42645141 is a wasteful number, since it uses less digits than its factorization.

42645141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42645141 is about 6530.3247239322. The cubic root of 42645141 is about 349.3734122536.

Adding to 42645141 its reverse (14154624), we get a palindrome (56799765).

The spelling of 42645141 in words is "forty-two million, six hundred forty-five thousand, one hundred forty-one".