43140052 has 12 divisors (see below), whose sum is σ = 78098580. Its totient is φ = 20826176.

The previous prime is 43140037. The next prime is 43140079. The reversal of 43140052 is 25004134.

It can be written as a sum of positive squares in 2 ways, for example, as 11262736 + 31877316 = 3356^2 + 5646^2 .

It is a super-2 number, since 2×43140052² = 3722128173125408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 185833 + ... + 186064.

It is an arithmetic number, because the mean of its divisors is an integer number (6508215).

Almost surely, 2^43140052 is an apocalyptic number.

It is an amenable number.

43140052 is a deficient number, since it is larger than the sum of its proper divisors (34958528).

43140052 is a wasteful number, since it uses less digits than its factorization.

43140052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371930 (or 371928 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 43140052 is about 6568.1087079920. The cubic root of 43140052 is about 350.7197488078.

Adding to 43140052 its reverse (25004134), we get a palindrome (68144186).

The spelling of 43140052 in words is "forty-three million, one hundred forty thousand, fifty-two".