43103444 has 6 divisors (see below), whose sum is σ = 75431034. Its totient is φ = 21551720.

The previous prime is 43103407. The next prime is 43103491. The reversal of 43103444 is 44430134.

It can be written as a sum of positive squares in only one way, i.e., 38316100 + 4787344 = 6190^2 + 2188^2 .

It is a super-2 number, since 2×43103444² = 3715813769322272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5387927 + ... + 5387934.

It is an arithmetic number, because the mean of its divisors is an integer number (12571839).

Almost surely, 2^43103444 is an apocalyptic number.

It is an amenable number.

43103444 is a deficient number, since it is larger than the sum of its proper divisors (32327590).

43103444 is a wasteful number, since it uses less digits than its factorization.

43103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10775865 (or 10775863 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 43103444 is about 6565.3213173462. The cubic root of 43103444 is about 350.6205155634.

Adding to 43103444 its reverse (44430134), we get a palindrome (87533578).

The spelling of 43103444 in words is "forty-three million, one hundred three thousand, four hundred forty-four".