43142641 has 8 divisors (see below), whose sum is σ = 45256320. Its totient is φ = 41048832.

The previous prime is 43142621. The next prime is 43142647. The reversal of 43142641 is 14624134.

43142641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43142641 - 2¹³ = 43134449 is a prime.

It is a super-2 number, since 2×43142641² = 3722574944909762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43142647) 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 7 ways as a sum of consecutive naturals, for example, 421 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (5657040).

Almost surely, 2^43142641 is an apocalyptic number.

It is an amenable number.

43142641 is a deficient number, since it is larger than the sum of its proper divisors (2113679).

43142641 is a wasteful number, since it uses less digits than its factorization.

43142641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935.

The product of its digits is 2304, while the sum is 25.

The square root of 43142641 is about 6568.3057937340. The cubic root of 43142641 is about 350.7267646800.

Adding to 43142641 its reverse (14624134), we get a palindrome (57766775).

The spelling of 43142641 in words is "forty-three million, one hundred forty-two thousand, six hundred forty-one".