43530141 has 16 divisors (see below), whose sum is σ = 59281920. Its totient is φ = 28403760.

The previous prime is 43530133. The next prime is 43530161. The reversal of 43530141 is 14103534.

It is not a de Polignac number, because 43530141 - 2³ = 43530133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43530161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58216 + ... + 58958.

It is an arithmetic number, because the mean of its divisors is an integer number (3705120).

Almost surely, 2^43530141 is an apocalyptic number.

It is an amenable number.

43530141 is a deficient number, since it is larger than the sum of its proper divisors (15751779).

43530141 is a wasteful number, since it uses less digits than its factorization.

43530141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 43530141 is about 6597.7375667724. The cubic root of 43530141 is about 351.7736928822.

Adding to 43530141 its reverse (14103534), we get a palindrome (57633675).

The spelling of 43530141 in words is "forty-three million, five hundred thirty thousand, one hundred forty-one".