43143141 has 8 divisors (see below), whose sum is σ = 57783040. Its totient is φ = 28632672.

The previous prime is 43143137. The next prime is 43143143. The reversal of 43143141 is 14134134.

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

It is not a de Polignac number, because 43143141 - 2² = 43143137 is a prime.

It is a super-2 number, since 2×43143141² = 3722661230691762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43143143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31576 + ... + 32913.

It is an arithmetic number, because the mean of its divisors is an integer number (7222880).

Almost surely, 2^43143141 is an apocalyptic number.

It is an amenable number.

43143141 is a deficient number, since it is larger than the sum of its proper divisors (14639899).

43143141 is a wasteful number, since it uses less digits than its factorization.

43143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64715.

The product of its digits is 576, while the sum is 21.

The square root of 43143141 is about 6568.3438551891. The cubic root of 43143141 is about 350.7281195862.

Adding to 43143141 its reverse (14134134), we get a palindrome (57277275).

It can be divided in two parts, 431431 and 41, that multiplied together give a palindrome (17688671).

The spelling of 43143141 in words is "forty-three million, one hundred forty-three thousand, one hundred forty-one".