42321141 has 6 divisors (see below), whose sum is σ = 61130550. Its totient is φ = 28214088.

The previous prime is 42321137. The next prime is 42321187. The reversal of 42321141 is 14112324.

42321141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 4498641 = 6150^2 + 2121^2 .

It is not a de Polignac number, because 42321141 - 2² = 42321137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42321101) 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 5 ways as a sum of consecutive naturals, for example, 2351166 + ... + 2351183.

It is an arithmetic number, because the mean of its divisors is an integer number (10188425).

Almost surely, 2^42321141 is an apocalyptic number.

It is an amenable number.

42321141 is a deficient number, since it is larger than the sum of its proper divisors (18809409).

42321141 is a wasteful number, since it uses less digits than its factorization.

42321141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4702355 (or 4702352 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 42321141 is about 6505.4700829379. The cubic root of 42321141 is about 348.4863641352.

Adding to 42321141 its reverse (14112324), we get a palindrome (56433465).

The spelling of 42321141 in words is "forty-two million, three hundred twenty-one thousand, one hundred forty-one".