43906142 has 16 divisors (see below), whose sum is σ = 76300512. Its totient is φ = 18558720.

The previous prime is 43906141. The next prime is 43906151. The reversal of 43906142 is 24160934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43906141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20459 + ... + 22502.

It is an arithmetic number, because the mean of its divisors is an integer number (4768782).

Almost surely, 2^43906142 is an apocalyptic number.

43906142 is a deficient number, since it is larger than the sum of its proper divisors (32394370).

43906142 is a wasteful number, since it uses less digits than its factorization.

43906142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43043.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 43906142 is about 6626.1709908514. The cubic root of 43906142 is about 352.7836310178.

The spelling of 43906142 in words is "forty-three million, nine hundred six thousand, one hundred forty-two".