43140303 has 16 divisors (see below), whose sum is σ = 64324960. Its totient is φ = 28574208.

The previous prime is 43140289. The next prime is 43140311. The reversal of 43140303 is 30304134.

It is not a de Polignac number, because 43140303 - 2¹⁷ = 43009231 is a prime.

It is a super-2 number, since 2×43140303² = 3722171485863618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43140353) 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, 850 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (4020310).

Almost surely, 2^43140303 is an apocalyptic number.

43140303 is a deficient number, since it is larger than the sum of its proper divisors (21184657).

43140303 is a wasteful number, since it uses less digits than its factorization.

43140303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 43140303 is about 6568.1278154433. The cubic root of 43140303 is about 350.7204289993.

Adding to 43140303 its reverse (30304134), we get a palindrome (73444437).

The spelling of 43140303 in words is "forty-three million, one hundred forty thousand, three hundred three".