43312142 has 8 divisors (see below), whose sum is σ = 65032632. Its totient is φ = 21634600.

The previous prime is 43312123. The next prime is 43312147. The reversal of 43312142 is 24121334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43312147) by changing a digit.

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, 8084 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (8129079).

Almost surely, 2^43312142 is an apocalyptic number.

43312142 is a deficient number, since it is larger than the sum of its proper divisors (21720490).

43312142 is a wasteful number, since it uses less digits than its factorization.

43312142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21474.

The product of its digits is 576, while the sum is 20.

The square root of 43312142 is about 6581.1960918970. The cubic root of 43312142 is about 351.1854821703.

Adding to 43312142 its reverse (24121334), we get a palindrome (67433476).

The spelling of 43312142 in words is "forty-three million, three hundred twelve thousand, one hundred forty-two".