43707142 has 4 divisors (see below), whose sum is σ = 65560716. Its totient is φ = 21853570.

The previous prime is 43707137. The next prime is 43707161. The reversal of 43707142 is 24170734.

43707142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 43707142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10926784 + ... + 10926787.

It is an arithmetic number, because the mean of its divisors is an integer number (16390179).

Almost surely, 2^43707142 is an apocalyptic number.

43707142 is a deficient number, since it is larger than the sum of its proper divisors (21853574).

43707142 is a wasteful number, since it uses less digits than its factorization.

43707142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853573.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 43707142 is about 6611.1377235692. The cubic root of 43707142 is about 352.2498387717.

Adding to 43707142 its reverse (24170734), we get a palindrome (67877876).

The spelling of 43707142 in words is "forty-three million, seven hundred seven thousand, one hundred forty-two".