43443630142 has 32 divisors (see below), whose sum is σ = 73044633600. Its totient is φ = 19204526880.

The previous prime is 43443630127. The next prime is 43443630157. The reversal of 43443630142 is 24103634434.

It is an interprime number because it is at equal distance from previous prime (43443630127) and next prime (43443630157).

It is a junction number, because it is equal to n+sod(n) for n = 43443630098 and 43443630107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941663 + ... + 1963909.

It is an arithmetic number, because the mean of its divisors is an integer number (2282644800).

Almost surely, 2^43443630142 is an apocalyptic number.

43443630142 is a deficient number, since it is larger than the sum of its proper divisors (29601003458).

43443630142 is a wasteful number, since it uses less digits than its factorization.

43443630142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 43443630142 in words is "forty-three billion, four hundred forty-three million, six hundred thirty thousand, one hundred forty-two".