43140100 has 36 divisors (see below), whose sum is σ = 93939300. Its totient is φ = 17196160.

The previous prime is 43140079. The next prime is 43140103. The reversal of 43140100 is 104134.

It can be written as a sum of positive squares in 6 ways, for example, as 14152644 + 28987456 = 3762^2 + 5384^2 .

It is a super-2 number, since 2×43140100² = 3722136456020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43140103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38346 + ... + 39454.

It is an arithmetic number, because the mean of its divisors is an integer number (2609425).

Almost surely, 2^43140100 is an apocalyptic number.

It is an amenable number.

43140100 is an abundant number, since it is smaller than the sum of its proper divisors (50799200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43140100 is a wasteful number, since it uses less digits than its factorization.

43140100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 43140100 is about 6568.1123620109. The cubic root of 43140100 is about 350.7198788845.

Adding to 43140100 its reverse (104134), we get a palindrome (43244234).

The spelling of 43140100 in words is "forty-three million, one hundred forty thousand, one hundred".