43403142242 has 8 divisors (see below), whose sum is σ = 66172003932. Its totient is φ = 21345807600.

The previous prime is 43403142193. The next prime is 43403142283. The reversal of 43403142242 is 24224130434.

It can be written as a sum of positive squares in 2 ways, for example, as 29118350881 + 14284791361 = 170641^2 + 119519^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177881609 + ... + 177881852.

Almost surely, 2^43403142242 is an apocalyptic number.

43403142242 is a deficient number, since it is larger than the sum of its proper divisors (22768861690).

43403142242 is a wasteful number, since it uses less digits than its factorization.

43403142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355763524.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 43403142242 its reverse (24224130434), we get a palindrome (67627272676).

The spelling of 43403142242 in words is "forty-three billion, four hundred three million, one hundred forty-two thousand, two hundred forty-two".