43142444 has 12 divisors (see below), whose sum is σ = 77540064. Its totient is φ = 20988144.

The previous prime is 43142423. The next prime is 43142467. The reversal of 43142444 is 44424134.

It is a happy number.

It is a super-2 number, since 2×43142444² = 3722540948586272, which contains 22 as substring.

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, 145604 + ... + 145899.

It is an arithmetic number, because the mean of its divisors is an integer number (6461672).

Almost surely, 2^43142444 is an apocalyptic number.

It is an amenable number.

43142444 is a deficient number, since it is larger than the sum of its proper divisors (34397620).

43142444 is a wasteful number, since it uses less digits than its factorization.

43142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291544 (or 291542 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 43142444 is about 6568.2907974602. The cubic root of 43142444 is about 350.7262308440.

Adding to 43142444 its reverse (44424134), we get a palindrome (87566578).

It can be divided in two parts, 431 and 42444, that added together give a cube (42875 = 35³).

The spelling of 43142444 in words is "forty-three million, one hundred forty-two thousand, four hundred forty-four".