43144490 has 16 divisors (see below), whose sum is σ = 77742720. Its totient is φ = 17239440.

The previous prime is 43144477. The next prime is 43144511. The reversal of 43144490 is 9444134.

It is a super-2 number, since 2×43144490² = 3722894034720200, which contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 11555 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (4858920).

Almost surely, 2^43144490 is an apocalyptic number.

43144490 is a deficient number, since it is larger than the sum of its proper divisors (34598230).

43144490 is a wasteful number, since it uses less digits than its factorization.

43144490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 43144490 is about 6568.4465438945. The cubic root of 43144490 is about 350.7317750711.

It can be divided in two parts, 43144 and 490, that added together give a palindrome (43634).

The spelling of 43144490 in words is "forty-three million, one hundred forty-four thousand, four hundred ninety".