43684510142 has 32 divisors (see below), whose sum is σ = 80726745792. Its totient is φ = 17264980224.

The previous prime is 43684510141. The next prime is 43684510147. The reversal of 43684510142 is 24101548634.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 43684510096 and 43684510105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43684510141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71828 + ... + 304184.

It is an arithmetic number, because the mean of its divisors is an integer number (2522710806).

Almost surely, 2^43684510142 is an apocalyptic number.

43684510142 is a deficient number, since it is larger than the sum of its proper divisors (37042235650).

43684510142 is a wasteful number, since it uses less digits than its factorization.

43684510142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233412.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 43684510142 in words is "forty-three billion, six hundred eighty-four million, five hundred ten thousand, one hundred forty-two".