43144004 has 6 divisors (see below), whose sum is σ = 75502014. Its totient is φ = 21572000.

The previous prime is 43143983. The next prime is 43144027. The reversal of 43144004 is 40044134.

It can be written as a sum of positive squares in only one way, i.e., 27541504 + 15602500 = 5248^2 + 3950^2 .

It is a super-2 number, since 2×43144004² = 3722810162304032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5392997 + ... + 5393004.

It is an arithmetic number, because the mean of its divisors is an integer number (12583669).

Almost surely, 2^43144004 is an apocalyptic number.

It is an amenable number.

43144004 is a deficient number, since it is larger than the sum of its proper divisors (32358010).

43144004 is a wasteful number, since it uses less digits than its factorization.

43144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10786005 (or 10786003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 43144004 is about 6568.4095487416. The cubic root of 43144004 is about 350.7304581298.

Adding to 43144004 its reverse (40044134), we get a palindrome (83188138).

The spelling of 43144004 in words is "forty-three million, one hundred forty-four thousand, four".