42993141 has 16 divisors (see below), whose sum is σ = 60497280. Its totient is φ = 27104000.

The previous prime is 42993121. The next prime is 42993151. The reversal of 42993141 is 14139924.

It is a cyclic number.

It is not a de Polignac number, because 42993141 - 2¹¹ = 42991093 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42993101) 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, 2641 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (3781080).

Almost surely, 2^42993141 is an apocalyptic number.

It is an amenable number.

42993141 is a deficient number, since it is larger than the sum of its proper divisors (17504139).

42993141 is a wasteful number, since it uses less digits than its factorization.

42993141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7116.

The product of its digits is 7776, while the sum is 33.

The square root of 42993141 is about 6556.9155095975. The cubic root of 42993141 is about 350.3211772905.

It can be divided in two parts, 42993 and 141, that added together give a palindrome (43134).

The spelling of 42993141 in words is "forty-two million, nine hundred ninety-three thousand, one hundred forty-one".